| Table | Row | Race | Location | Age | N | Test | IQ | Reference |
| 3.1 | 1 | European | Austria | 14 | 67 | SPM | 98 | Moyles & Wolins, 1973 |
| 3.1 | 2 | European | Austria | Adults | 187 | CF | 101 | Buj, 1981 |
| 3.1 | 3 | European | Belgium | 7–13 | 944 | CPM | 99 | Goosens, 1952a |
| 3.1 | 4 | European | Belgium | 10–16 | 920 | CF | 103 | Goosens, 1952b |
| 3.1 | 5 | European | Belgium | Adults | 247 | CF | 99 | Buj, 1981 |
| 3.1 | 6 | European | Britain | Adults | 1,405 | CF | 100 | Buj, 1981 |
| 3.1 | 7 | European | Britain | 6–15 | 3,250 | SPM | 100 | Raven et al., 1998 |
| 3.1 | 8 | European | Bulgaria | Adults | 215 | CF | 94 | Buj, 1981 |
| 3.1 | 9 | European | Bulgaria | 11–17 | 1,456 | CF | 91 | Lynn et al., 1998 |
| 3.1 | 10 | European | Croatia | 13–16 | 299 | SPM | 90 | Sorokin, 1954 |
| 3.1 | 11 | European | Czech Rep. | Adults | 363 | CF | 98 | Buj, 1981 |
| 3.1 | 12 | European | Czech Rep. | 5–11 | 832 | CPM | 96 | Raven et al., 1995 |
| 3.1 | 13 | European | Czech Rep. | 11 | 64 | SPM | 100 | Persaud, 1972 |
| 3.1 | 14 | European | Denmark | 5–11 | 628 | SPM | 97 | Vejleskov, 1968 |
| 3.1 | 15 | European | Denmark | Adults | 122 | CF | 99 | Buj, 1981 |
| 3.1 | 16 | European | Estonia | 12–18 | 2,689 | SPM | 100 | Lynn et al., 2002 |
| 3.1 | 17 | European | Estonia | 7–11 | 1,835 | SPM | 98 | Lynn et al., 2003 |
| 3.1 | 18 | European | Finland | 7 | 755 | CPM | 98 | Kyostio, 1972 |
| 3.1 | 19 | European | Finland | Adults | 122 | CF | 99 | Buj, 1981 |
| 3.1 | 20 | European | France | 6–9 | 618 | CPM | 97 | Bourdier, 1964 |
| 3.1 | 21 | European | France | 6–11 | 328 | CMM | 102 | Dague et al., 1964 |
| 3.1 | 22 | European | France | Adults | 1,320 | CF | 94 | Buj, 1981 |
| 3.1 | 23 | European | France | 6–16 | 1,120 | WISC-3 | 98 | Georgas et al., 2003 |
| 3.1 | 24 | European | Germany | 7–11 | 454 | SPM | 90 | Kurth, 1969 |
| 3.1 | 25 | European | Germany | 5–7 | 563 | CPM | 99 | Winkelman, 1972 |
| 3.1 | 26 | European | Germany | 11–15 | 2,068 | SPM | 105 | Raven, 1981 |
| 3.1 | 27 | European | Germany | 11–15 | 1,000 | SPM | 99 | Raven, 1981 |
| 3.1 | 28 | European | Germany | Adults | 1,320 | CF | 107 | Buj, 1981 |
| 3.1 | 29 | European | Germany | 7 | 200 | CPM | 97 | Guthke & Al-Zoubi, 1987 |
| 3.1 | 30 | European | Germany | 6–10 | 3,607 | CPM | 101 | Raven et al., 1995 |
| 3.1 | 31 | European | Germany | 5–10 | 980 | CPM | 97 | Raven et al., 1995 |
| 3.1 | 32 | European | Germany | 6–16 | 990 | WISC-3 | 99 | Georgas et al., 2003 |
| 3.1 | 33 | European | Greece | 9–14 | 400 | WISC | 88 | Fatouros, 1972 |
| 3.1 | 34 | European | Greece | 6–12 | 227 | DAM | 97 | Georgas & Georgas, 1972 |
| 3.1 | 35 | European | Greece | Adults | 220 | CF | 95 | Buj, 1981 |
| 3.1 | 36 | European | Greece | 6–17 | 731 | MAT | 89 | Petrogiannis et al., 1999 |
| 3.1 | 37 | European | Greece | 6–16 | 990 | WISC-3 | 92 | Georgas et al., 2003 |
| 3.1 | 38 | European | Hungary | Adults | 260 | CF | 98 | Buj, 1981 |
| 3.1 | 39 | European | Iceland | 6–16 | 665 | SPM | 101 | Pind et al., 2003 |
| 3.1 | 40 | European | Ireland | 6–13 | 3,088 | SPM | 87 | Gill & Byrt, 1973 |
| 3.1 | 41 | European | Ireland | Adults | 75 | CF | 97 | Buj, 1981 |
| 3.1 | 42 | European | Ireland | 6–12 | 1,361 | SPM | 93 | Carr, 1993 |
| 3.1 | 43 | European | Ireland | 9–12 | 2,029 | SPM | 91 | Carr, 1993 |
| 3.1 | 44 | European | Italy | 11–16 | 2,432 | SPM | 103 | Tesi & Young, 1962 |
| 3.1 | 45 | European | Italy | Adults | 1,380 | CF | 102 | Buj, 1981 |
| 3.1 | 46 | European | Lithuania | 8–12 | 259 | CPM | 90 | Lynn & Kazlauskaite, 2002 |
| 3.1 | 47 | European | Lithuania | 6–16 | 381 | WISC-3 | 92 | Georgas et al., 2003 |
| 3.1 | 48 | European | Malta | 5 | 134 | CPM | 97 | Martinelli & Lynn, 2005 |
| 3.1 | 49 | European | Netherlands | Adults | 333 | CF | 107 | Buj, 1981 |
| 3.1 | 50 | European | Netherlands | 5–10 | 1,920 | CPM | 99 | Raven et al., 1995 |
| 3.1 | 51 | European | Netherlands | 6–12 | 4,032 | SPM | 101 | Raven et al., 1996 |
| 3.1 | 52 | European | Netherlands | 6–16 | 1,100 | WISC-3 | 99 | Georgas et al., 2003 |
| 3.1 | 53 | European | Norway | Adults | 333 | CF | 100 | Buj, 1981 |
| 3.1 | 54 | European | Poland | Adults | 835 | CF | 106 | Buj, 1981 |
| 3.1 | 55 | European | Poland | 6–15 | 4,006 | SPM | 92 | Jaworowska & Szustrowa, 1991 |
| 3.1 | 56 | European | Portugal | Adults | 242 | CF | 101 | Buj, 1981 |
| 3.1 | 57 | European | Portugal | 6–12 | 807 | CPM | 88 | Simoes, 1989 |
| 3.1 | 58 | European | Romania | 6–10 | 300 | CPM | 94 | Zahirnic et al., 1974 |
| 3.1 | 59 | European | Russia | 14–15 | 432 | SPM | 97 | Lynn, 2001 |
| 3.1 | 60 | European | Russia | 27–55 | 745 | CF | 96 | Grigorenko & Sternberg, 2001 |
| 3.1 | 61 | European | Serbia | 15 | 76 | SPM | 89 | Moyles & Wolins, 1973 |
| 3.1 | 62 | European | Slovakia | 5–11 | 823 | CPM | 96 | Raven et al., 1995 |
| 3.1 | 63 | European | Slovenia | 8–18 | 1,556 | SPM | 96 | Raven et al., 2000 |
| 3.1 | 64 | European | Slovenia | 6–16 | 1,080 | WISC-3 | 95 | Georgas et al., 2003 |
| 3.1 | 65 | European | Spain | Adults | 848 | CF | 98 | Buj, 1981 |
| 3.1 | 66 | European | Spain | 6–9 | 854 | CPM | 97 | Raven et al., 1995 |
| 3.1 | 67 | European | Spain | 11–18 | 3,271 | APM | 102 | Albalde Paz & Muñoz, 1993 |
| 3.1 | 68 | European | Sweden | 6–14 | 1,106 | WISC | 97 | Skandinaviska, 1970 |
| 3.1 | 69 | European | Sweden | Adults | 205 | CF | 104 | Buj, 1981 |
| 3.1 | 70 | European | Sweden | 6–16 | 2,231 | WISC-3 | 99 | Georgas et al., 2003 |
| 3.1 | 71 | European | Switzerland | Adults | 163 | CF | 101 | Buj, 1981 |
| 3.1 | 72 | European | Switzerland | 6–10 | 200 | CPM | 101 | Raven et al., 1995 |
| 3.1 | 73 | European | Switzerland | 9–15 | 246 | SPM | 104 | Spicher, 1993 |
| 3.2 | 1 | European | Argentina | 9–15 | 1,680 | SPM | 93 | Rimoldi, 1948 |
| 3.2 | 2 | European | Argentina | 5–11 | 420 | CPM | 98 | Raven et al., 1998 |
| 3.2 | 3 | European | Australia | 9–13 | 35,000 | Otis | 97 | McIntyre, 1938 |
| 3.2 | 4 | European | Australia | 18 | 6,700 | SPM | 100 | Craig, 1974 |
| 3.2 | 5 | European | Australia | 5–10 | 700 | CPM | 98 | Raven et al., 1995 |
| 3.2 | 6 | European | Brazil | 9–10 | 735 | SPM | 95 | Fernandez, 2001 |
| 3.2 | 7 | European | Canada | 7–12 | 313 | SPM | 97 | Raven et al., 1996 |
| 3.2 | 8 | European | Canada | 6–16 | 2,200 | WISC-3 | 100 | Prifitera et al., 1998 |
| 3.2 | 9 | European | Chile | 21 | 178 | 3DW | 99 | Broer, 1996 |
| 3.2 | 10 | European | Colombia | 13–16 | 50 | WISC-R | 95 | Ardila et al., 2000 |
| 3.2 | 11 | European | Mexico | 7–10 | 155 | SPM | 98 | Lynn et al., 2005 |
| 3.2 | 12 | European | N. Zealand | 9–15 | 26,000 | OTIS | 99 | Redmond & Davies, 1940 |
| 3.2 | 13 | European | N. Zealand | 9–17 | 3,108 | SPM | 101 | Reid & Gilmore, 1989 |
| 3.2 | 14 | European | N. Zealand | 8–9 | 1,692 | WISC-R | 102 | Fergusson & Horwood, 1997 |
| 3.2 | 15 | European | S. Africa | 15 | 1,056 | SPM | 94 | Owen, 1992 |
| 3.2 | 16 | European | USA | 11 | 1,000 | SB | 100 | Scottish Council, 1933 |
| 3.2 | 17 | European | USA | 11 | 1,215 | TM | 99 | Scottish Council, 1949 |
| 3.2 | 18 | European | USA | 14–18 | 10,000 | DAT | 101 | Lynn et al., 1987b |
| 3.2 | 19 | European | USA | 18–70 | 625 | SPM | 100 | Raven et al., 1996 |
| 3.2 | 20 | European | USA | 16–80 | 332 | WAIS-3 | 101 | Wycherley & Benjamin, 1998 |
| 3.2 | 21 | European | USA | 4–14 | 2,097 | PPVT | 103 | Michael, 2003 |
| 3.2 | 22 | European | Uruguay | 12–25 | 1,634 | SPM | 96 | Risso, 1961 |
| 3.2 | 23 | European | Zimbabwe | 7 | 256 | SB | 100 | Weyl, 1967a & b |
| 4.1 | 1 | African | Cameroon | Adults | 80 | CPM | 64 | Berlioz, 1955 |
| 4.1 | 2 | African | Cent. African Rep. | Adults | 1,149 | SPM | 64 | Latouche & Dormeau, 1956 |
| 4.1 | 3 | African | Congo – Brazz. | Adults | 1,596 | SPM | 64 | Latouche & Dormeau, 1956 |
| 4.1 | 4 | African | Congo – Brazz. | 17–29 | 320 | SPM | 64 | Ombredane et al., 1952 |
| 4.1 | 5 | African | Congo – Brazz. | 88 | 73 | SPM | 73 | Nkaya et al., 1994 |
| 4.1 | 6 | African | Congo – Zaire | Adults | 67 | SPM | 64 | Verhagen, 1956 |
| 4.1 | 7 | African | Congo – Zaire | 10–15 | 222 | SPM | 68 | Laroche, 1959 |
| 4.1 | 8 | African | Congo – Zaire | 8 | 47 | KAB | 62 | Boivin & Giordani, 1993 |
| 4.1 | 9 | African | Congo – Zaire | 7–12 | 95 | KAB | 68 | Boivin et al., 1995 |
| 4.1 | 10 | African | Congo – Zaire | 7–9 | 130 | KAB | 65 | Giordani et al., 1996 |
| 4.1 | 11 | African | Equatorial Guinea | 10–14 | 48 | WISC-R | 59 | Fernandez-Ballesteros et al., 1997 |
| 4.1 | 12 | African | Ghana | Adults | 225 | CF | 80 | Buj, 1981 |
| 4.1 | 13 | African | Ghana | 15 | 1,693 | CPM | 62 | Glewwe & Jacoby, 1992 |
| 4.1 | 14 | African | Guinea | 5–14 | 50 | AAB | 63 | Nissen et al., 1935 |
| 4.1 | 15 | African | Guinea | Adults | 1,144 | SPM | 70 | Faverge & Falmagne, 1962 |
| 4.1 | 16 | African | Kenya | Adults | 205 | CPM | 69 | Boissiere et al., 1985 |
| 4.1 | 17 | African | Kenya | 6–10 | 1,222 | CPM | 75 | Costenbader & Ngari, 2000 |
| 4.1 | 18 | African | Kenya | 12–15 | 85 | CPM/MH | 69 | Sternberg et al., 2001 |
| 4.1 | 19 | African | Kenya | 7 | 118 | CPM | 76 | Daley et al., 2003 |
| 4.1 | 20 | African | Kenya | 7 | 537 | CPM | 89 | Daley et al., 2003 |
| 4.1 | 21 | African | Kenya | 6 | 184 | KAB | 63 | Holding et al., 2004 |
| 4.1 | 22 | African | Madagascar | Adults | 147 | CPM | 82 | Raveau et al., 1976 |
| 4.1 | 23 | African | Mozambique | 20 | 149 | CPM | 64 | Kendall, 1976 |
| 4.1 | 24 | African | Nigeria | Children | 480 | Leone | 70 | Farron, 1966 |
| 4.1 | 25 | African | Nigeria | Adults | 86 | SPM | 64 | Wober, 1969 |
| 4.1 | 26 | African | Nigeria | 6–13 | 375 | CPM | 69 | Fahrmeier, 1975 |
| 4.1 | 27 | African | Sierra Leone | Adults | 122 | CPM | 64 | Berry, 1966 |
| 4.1 | 28 | African | Sierra Leone | Adults | 33 | CPM | 64 | Binnie-Dawson, 1984 |
| 4.1 | 29 | African | South Africa | 10–14 | 293 | AAB | 65 | Fick, 1929 |
| 4.1 | 30 | African | South Africa | 12–14 | 80 | KB | 68 | Dent, 1937 |
| 4.1 | 31 | African | South Africa | 6–13 | 1,726 | DAM | 70 | Hunkin, 1950 |
| 4.1 | 32 | African | South Africa | 8–16 | 1,008 | SPM | 75 | Notcutt, 1950 |
| 4.1 | 33 | African | South Africa | Adults | 703 | SPM | 64 | Notcutt, 1950 |
| 4.1 | 34 | African | South Africa | 10–12 | 278 | NVR | 74 | Lloyd & Pidgeon, 1961 |
| 4.1 | 35 | African | South Africa | Adults | 140 | WISC-R | 71 | Avenant, 1988 |
| 4.1 | 36 | African | South Africa | 5–13 | 415 | DAM | 77 | Richter et al., 1989 |
| 4.1 | 37 | African | South Africa | 9 | 350 | SPM | 63 | Lynn & Holmshaw, 1990 |
| 4.1 | 38 | African | South Africa | 16 | 1,096 | SPM | 63 | Owen, 1992 |
| 4.1 | 39 | African | South Africa | 15–16 | 1,093 | JAT | 68 | Lynn & Owen, 1994 |
| 4.1 | 40 | African | South Africa | Adults | 153 | WAIS-R | 69 | Nell, 2000 |
| 4.1 | 41 | African | South Africa | 16 | 26 | SPM | 68 | Sonke, 2000 |
| 4.1 | 42 | African | South Africa | 14–17 | 152 | WISC-R | 67 | Skuy et al., 2001 |
| 4.1 | 43 | African | South Africa | 17 | 100 | WCST | 64 | Skuy et al., 2001 |
| 4.1 | 44 | African | South Africa | 8–10 | 806 | CPM | 67 | Jinabhai et al., 2004 |
| 4.1 | 45 | African | Sudan | 7–16 | 291 | Various | 69 | Fahmy, 1964 |
| 4.1 | 46 | African | Sudan | 6 | 80 | DAM | 64 | Badri, 1965a |
| 4.1 | 47 | African | Sudan | 9 | 293 | DAM | 74 | Badri, 1965b |
| 4.1 | 48 | African | Sudan | 8–12 | 148 | SPM | 72 | Ahmed, 1989 |
| 4.1 | 49 | African | Tanzania | 13–17 | 2,959 | SPM | 78 | Klingelhofer, 1967 |
| 4.1 | 50 | African | Tanzania | Adults | 179 | CPM | 65 | Boissiere et al., 1985 |
| 4.1 | 51 | African | Tanzania | 11–13 | 458 | WCST | 72 | Sternberg et al., 2002 |
| 4.1 | 52 | African | Uganda | 12 | 50 | Various | 80 | Vernon, 1969 |
| 4.1 | 53 | African | Uganda | 11 | 2,019 | CPM | 73 | Heyneman & Jamison, 1980 |
| 4.1 | 54 | African | Zambia | 13 | 759 | SPM | 77 | MacArthur et al., 1964 |
| 4.1 | 55 | African | Zambia | Adults | 152 | SPM | 64 | Pons, 1974 |
| 4.1 | 56 | African | Zimbabwe | 12–14 | 204 | WISC-R | 61 | Zindi, 1994 |
| 4.1 | 57 | African | Zimbabwe | 12–14 | 204 | SPM | 70 | Zindi, 1994 |
| 4.3 | 1 | African | Barbados | 9–15 | 207 | WISC-R | 80 | Galler et al., 1986 |
| 4.3 | 2 | African | Brazil | 9 | 100 | DAM | 70 | Paine et al., 1992 |
| 4.3 | 3 | African | Brazil | Adult | 88 | SPM | 64 | Paine et al., 1992 |
| 4.3 | 4 | African | Brazil | 9–10 | 223 | SPM | 71 | Fernandez, 2001 |
| 4.3 | 5 | African | Dominica | 3 | 64 | PPVT | 67 | Wein & Stevenson, 1972 |
| 4.3 | 6 | African | Jamaica | 11 | 1,730 | MH | 72 | Manley, 1963 |
| 4.3 | 7 | African | Jamaica | 11 | 50 | V,M,KB | 75 | Vernon, 1969 |
| 4.3 | 8 | African | Jamaica | 5–12 | 71 | WISC | 60 | Hertzig et al., 1972 |
| 4.3 | 9 | African | Jamaica | 10 | 128 | CEFT | 75 | Bagley et al., 1983 |
| 4.3 | 10 | African | Jamaica | 15 | 31 | WISC-R | 67 | Grantham-McGregor et al., 1994 |
| 4.3 | 11 | African | Jamaica | 25 | 54 | PPVT | 60 | Grantham-McGregor et al., 1994 |
| 4.3 | 12 | African | Jamaica | 9–10 | 30 | PPVT | 71 | Simeon & Grantham-McGregor, 1989 |
| 4.3 | 13 | African | St. Lucia | 4 | 60 | PPVT | 62 | Murray, 1983 |
| 4.3 | 14 | African | St.Vincent | 8–11 | 174 | CPM | 71 | Durbrow et al., 2002 |
| 4.4 | 1 | African | USA | Adults | 23,596 | AA&B | 83 | Johnson, 1948 |
| 4.4 | 2 | African | USA | Adults | - | AGCT | 77 | Loehlin et al., 1975 |
| 4.4 | 3 | African | USA | Adults | - | AFQT | 77 | Loehlin et al., 1975 |
| 4.4 | 4 | African | USA | 3–6 | 1,700 | Various | 87 | Shuey, 1966 |
| 4.4 | 5 | African | USA | 6–11 | 7,000 | Various | 85 | Shuey, 1966 |
| 4.4 | 6 | African | USA | 6–11 | 75,050 | Various | 85 | Shuey, 1966 |
| 4.4 | 7 | African | USA | 12–18 | 23,000 | Various | 85 | Shuey, 1966 |
| 4.4 | 8 | African | USA | 3–6 | - | Various | 80 | Osborne & McGurk, 1982 |
| 4.4 | 9 | African | USA | 6–11 | 100,000 | Various | 87 | Osborne & McGurk, 1982 |
| 4.4 | 10 | African | USA | 12–18 | 16,000 | Various | 82 | Osborne & McGurk, 1982 |
| 4.4 | 11 | African | USA | 24 | 7,300 | SRAT | 85 | Broman et al., 1975 |
| 4.4 | 12 | African | USA | 4 | 12,029 | SB | 87 | Broman et al., 1975 |
| 4.4 | 13 | African | USA | 7 | 19,968 | WISC | 87 | Broman et al., 1975 |
| 4.4 | 14 | African | USA | 6–16 | 305 | WISC-R | 84 | Kaufman & Doppelt, 1976 |
| 4.4 | 15 | African | USA | 16–74 | 7,270 | GATB | 81 | Avolio & Waldman, 1994 |
| 4.4 | 16 | African | USA | 5–11 | 456 | WISC-R | 85 | Mercer & Lewis, 1984 |
| 4.4 | 17 | African | USA | 16–74 | 192 | WAIS-R | 85 | Reynolds et al., 1987 |
| 4.4 | 18 | African | USA | 14–22 | 3,022 | AFQT | 82 | Herrnstein & Murray, 1994 |
| 4.4 | 19 | African | USA | 2–12 | 311 | KABC | 93 | Kaufman & Kaufman, 1983 |
| 4.4 | 20 | African | USA | 3–18 | 932 | PPVT | 84 | Dunn, 1988 |
| 4.4 | 21 | African | USA | 12–23 | 210 | SB-4 | 83 | Thorndike et al., 1986 |
| 4.4 | 22 | African | USA | 3 | 86 | SB-LM | 86 | Montie & Fagan, 1988 |
| 4.4 | 23 | African | USA | 37 | 502 | Various | 83 | Nyborg & Jensen, 2000 |
| 4.4 | 24 | African | USA | 6–16 | 338 | WISC-3 | 85 | Prifitera et al., 1998 |
| 4.4 | 25 | African | USA | 11–93 | 241 | KAIT | 88 | Kaufman et al., 1994 |
| 4.4 | 26 | African | USA | 16–74 | 7,214 | GATB | 81 | Avolio & Waldman, 1994 |
| 4.4 | 27 | African | USA | 6–16 | 711 | WISC-R | 85 | Kramer et al., 1995 |
| 4.4 | 28 | African | USA | 3 | 33 | SB-4 | 85 | Peoples et al., 1995 |
| 4.4 | 29 | African | USA | 70+ | 833 | MMSE | 85 | Zsembik & Peek, 2001 |
| 4.4 | 30 | African | USA | Adults | 806 | Vocabulary | 90 | Lynn, 2004 |
| 4.4 | 31 | African | USA | Adults | 2,113 | Literacy | 86 | Raudenbush & Kasim, 1998 |
| 4.5 | 1 | African | Britain | 10 | 71 | SB | 88 | Houghton, 1966 |
| 4.5 | 2 | African | Britain | 11 | 476 | VR | 82 | ILEA, 1967 |
| 4.5 | 3 | African | Britain | 12–15 | 174 | SPM/MH | 88 | Bhatnagar, 1970 |
| 4.5 | 4 | African | Britain | 5–15 | 61 | WISC | 89 | McFie & Thompson, 1970 |
| 4.5 | 5 | African | Britain | 11 | 394 | EPVT | 86 | Halsey, 1972 |
| 4.5 | 6 | African | Britain | 4–5 | 9 | WPPSI | 104 | Tizard, 1972 |
| 4.5 | 7 | African | Britain | 5–10 | 548 | EPVT | 86 | Payne, 1974 |
| 4.5 | 8 | African | Britain | 10 | 143 | NV5 | 73 | Yule et al., 1975 |
| 4.5 | 9 | African | Britain | 10 | 201 | NV5 | 82 | Yule et al., 1975 |
| 4.5 | 10 | African | Britain | 5–10 | 548 | EPVT | 86 | Little, 1975 |
| 4.5 | 11 | African | Britain | 10 | 66 | VR | 85 | Black Peoples, 1978 |
| 4.5 | 12 | African | Britain | 7 | 139 | EPVT | 78 | Phillips, 1979 |
| 4.5 | 13 | African | Britain | 15 | 12,530 | Reading | 86 | Mabey, 1981 |
| 4.5 | 14 | African | Britain | 12 | 149 | Vocabulary | 85 | Pumfrey, 1983 |
| 4.5 | 15 | African | Britain | 8–12 | 205 | NFER | 87 | Scarr et al., 1983 |
| 4.5 | 16 | African | Britain | 10 | 88 | CEFT | 90 | Bagley et al., 1983 |
| 4.5 | 17 | African | Britain | 4 | 106 | WPPSI | 87 | Blatchford et al., 1985 |
| 4.5 | 18 | African | Britain | 11 | 74 | NFER | 89 | Mackintosh & Mascie-Taylor, 1985 |
| 4.5 | 19 | African | Britain | 10 | 125 | NFER | 94 | Mackintosh & Mascie-Taylor, 1985 |
| 4.5 | 20 | African | Britain | 14 | 250 | NFER | 88 | Maugham & Rutter, 1986 |
| 4.5 | 21 | African | Britain | 7–15 | 88 | AH | 92 | West et al., 1992 |
| 4.5 | 22 | African | Britain | 65–75 | 248 | MMSE | 89 | Stewart et al., 2002 |
| 4.6 | 1 | African | Netherlands | Children | 110 | GALO | 86 | De Jong & van Batenburg, 1984 |
| 4.6 | 2 | African | Netherlands | Children | 123 | RAKIT | 84 | Resing et al., 1986 |
| 4.6 | 3 | African | Netherlands | Children | 77 | RAKIT | 88 | Resing et al., 1986 |
| 4.6 | 4 | African | Netherlands | Children | 138 | - | 85 | De Jong, 1988 |
| 4.6 | 5 | African | Netherlands | 11 | 404 | CITO | 83 | Pieke, 1988 |
| 4.6 | 6 | African | Netherlands | Adults | 535 | GATB | 85 | Te Nijenhuis, 1997 |
| 4.6 | 7 | African | Netherlands | Adults | 129 | GATB | 85 | Te Nijenhuis, 1997 |
| 6.1 | 1 | South Asians and North Africans | India | 5–11 | 1,339 | CPM | 88 | Gupta & Gupta, 1966 |
| 6.1 | 2 | South Asians and North Africans | India | 14–17 | 1,359 | SPM | 87 | Chopra, 1966 |
| 6.1 | 3 | South Asians and North Africans | India | 12–14 | 5,607 | CPM | 81 | Sinha, 1968 |
| 6.1 | 4 | South Asians and North Africans | India | 5–10 | 1,050 | CPM | 82 | Rao & Reddy, 1968 |
| 6.1 | 5 | South Asians and North Africans | India | 15 | 3,536 | SPM | 84 | Majumdar & Nundi, 1971 |
| 6.1 | 6 | South Asians and North Africans | India | 10–16 | 180 | SPM | 79 | Mohanty & Babu, 1983 |
| 6.1 | 7 | South Asians and North Africans | India | 13 | 100 | SPM | 78 | Agrawal et al., 1984 |
| 6.1 | 8 | South Asians and North Africans | India | 9–12 | 748 | WISC-R | 79 | Afzal, 1988 |
| 6.1 | 9 | South Asians and North Africans | India | 5–12 | 500 | CPM | 86 | Bhogle & Prakash, 1992 |
| 6.1 | 10 | South Asians and North Africans | India | 11–15 | 569 | SPM | 82 | Raven et al., 1996 |
| 6.1 | 11 | South Asians and North Africans | India | 7–11 | 828 | CPM | 80 | Barnabus et al., 1995 |
| 6.1 | 12 | South Asians and North Africans | India | 7–15 | 8,040 | SPM | 88 | Raven et al., 2000 |
| 6.1 | 13 | South Asians and North Africans | India | 11–15 | 569 | SPM | 81 | Raven et al., 2000 |
| 6.1 | 14 | South Asians and North Africans | Iran | 15 | 627 | SPM | 84 | Valentine, 1959 |
| 6.1 | 15 | South Asians and North Africans | Iran | 14 | 250 | AH4 | 83 | Mehryar et al., 1972 |
| 6.1 | 16 | South Asians and North Africans | Iran | 6–11 | 1,600 | BG | 89 | Yousefi et al., 1992 |
| 6.1 | 17 | South Asians and North Africans | Iran | 6–10 | 1,195 | DAM | 80 | Mehryer et al., 1987 |
| 6.1 | 18 | South Asians and North Africans | Iraq | 14–17 | 204 | SPM | 87 | Abul-Hubb, 1972 |
| 6.1 | 19 | South Asians and North Africans | Iraq | 18–35 | 1,185 | SPM | 87 | Abul-Hubb, 1972 |
| 6.1 | 20 | South Asians and North Africans | Israel-Arabs | 6–16 | 639 | WISC-R | 86 | Lieblich & Kugelmas, 1981 |
| 6.1 | 21 | South Asians and North Africans | Jordan | 6–12 | 210 | KABC | 84 | El-Mneizel, 1987 |
| 6.1 | 22 | South Asians and North Africans | Kuwait | 6–15 | 6,529 | SPM | 86 | Abdel-Khalek & Lynn, 2005 |
| 6.1 | 23 | South Asians and North Africans | Lebanon | 5–10 | 502 | DAM | 82 | Dennis, 1957 |
| 6.1 | 24 | South Asians and North Africans | Nepal | 4–16 | 807 | DAM | 78 | Sundberg & Ballinger, 1968 |
| 6.1 | 25 | South Asians and North Africans | Pakistan | 15 | 349 | GEFT | 84 | Alvi et al., 1986 |
| 6.1 | 26 | South Asians and North Africans | Pakistan | 6–8 | 140 | SPM | 84 | Rahman et al., 2002 |
| 6.1 | 27 | South Asians and North Africans | Qatar | 10–13 | 273 | SPM | 78 | Bart et al., 1987 |
| 6.1 | 28 | South Asians and North Africans | Sri Lanka | 8 | 46 | CTMM | 79 | Strauss, 1954 |
| 6.1 | 29 | South Asians and North Africans | Syria | 7 | 241 | CPM | 83 | Guthke & Al-Zoubi, 1987 |
| 6.1 | 30 | South Asians and North Africans | Turkey | 11–12 | 92 | D 48 | 84 | Kagitcibasi, 1972 |
| 6.1 | 31 | South Asians and North Africans | Turkey | 6–15 | 2,272 | SPM | 90 | Sahin & Duzen, 1994 |
| 6.1 | 32 | South Asians and North Africans | Turkey | 7–9 | 180 | DAM | 96 | Ucman, 1972 |
| 6.1 | 33 | South Asians and North Africans | Yemen | 6–11 | 1,000 | CPM | 85 | Al-Heeti et al., 1997 |
| 6.1 | 34 | South Asians and North Africans | North Africa | Adults | 90 | SPM | 84 | Raveau et al., 1976 |
| 6.1 | 35 | South Asians and North Africans | Egypt | 6–10 | 206 | DAM | 77 | Dennis, 1957 |
| 6.1 | 36 | South Asians and North Africans | Egypt | 12–15 | 111 | CCF | 81 | Sadek, 1972 |
| 6.1 | 37 | South Asians and North Africans | Egypt | 6–12 | 129 | SPM | 83 | Ahmed, 1989 |
| 6.2 | 1 | South Asians and North Africans | Britain | 11 | 43 | VR | 87 | ILEA, 1967 |
| 6.2 | 2 | South Asians and North Africans | Britain | 9–10 | 173 | CPM | 93 | Dickenson et al, 1975 |
| 6.2 | 3 | South Asians and North Africans | Britain | 10 | 149 | VR | 91 | Black Peoples, 1978 |
| 6.2 | 4 | South Asians and North Africans | Britain | 11 | 173 | NFER | 94 | Scarr et al., 1983 |
| 6.2 | 5 | South Asians and North Africans | Britain | 11 | 32 | NFER | 89 | Scarr et al., 1983 |
| 6.2 | 6 | South Asians and North Africans | Britain | 11 | 37 | NFER | 83 | Mackintosh et al., 1985 |
| 6.2 | 7 | South Asians and North Africans | Britain | 11 | 25 | NFER | 97 | Mackintosh et al., 1985 |
| 6.2 | 8 | South Asians and North Africans | Britain | 10 | 91 | BAS | 93 | Mackintosh et al, 1985 |
| 6.2 | 9 | South Asians and North Africans | Britain | 10 | 170 | BAS | 96 | Mackintosh et al., 1985 |
| 6.2 | 10 | South Asians and North Africans | Britain | 7–15 | 560 | AH | 88 | West et al., 1992 |
| 6.2 | 11 | South Asians and North Africans | Britain | 7–15 | 330 | AH | 87 | West et al., 1992 |
| 6.2 | 12 | South Asians and North Africans | Britain | 7–11 | 177 | AH | 87 | West et al., 1992 |
| 6.2 | 13 | South Asians and North Africans | Australia | Adults | 111 | SPM | 89 | De Lemos, 1989 |
| 6.3 | 1 | South Asians and North Africans | Germany | 10–17 | 330 | SPM | 86 | Taschinski, 1985 |
| 6.3 | 2 | South Asians and North Africans | Netherlands | Children | 177 | RAKIT | 78 | Resing et al., 1986 |
| 6.3 | 3 | South Asians and North Africans | Netherlands | Children | 104 | RAKIT | 79 | Resing et al., 1986 |
| 6.3 | 4 | South Asians and North Africans | Netherlands | Children | 177 | RAKIT | 75 | Resing et al., 1986 |
| 6.3 | 5 | South Asians and North Africans | Netherlands | Children | 76 | RAKIT | 79 | Resing et al., 1986 |
| 6.3 | 6 | South Asians and North Africans | Netherlands | Children | 106 | GALO | 83 | De Jong & van Batenburg, 1984 |
| 6.3 | 7 | South Asians and North Africans | Netherlands | 11 | 815 | CITO | 85 | Pieke, 1988 |
| 6.3 | 8 | South Asians and North Africans | Netherlands | 11 | 720 | CITO | 84 | Pieke, 1988 |
| 6.3 | 9 | South Asians and North Africans | Netherlands | 11 | 338 | CITO | 88 | Pieke, 1988 |
| 6.3 | 10 | South Asians and North Africans | Netherlands | 10 | 47 | Otis/Cito | 93 | Van de Vijver & Willemse, 1991 |
| 6.3 | 11 | South Asians and North Africans | Netherlands | 5–17 | 33 | Son-R | 84 | Laros & Tellegren, 1991 |
| 6.3 | 12 | South Asians and North Africans | Netherlands | 5–8 | 194 | LPTP | 85 | Hamers et al., 1996 |
| 6.3 | 13 | South Asians and North Africans | Netherlands | 5–8 | 194 | LPTP | 84 | Hamers et al., 1996 |
| 6.3 | 14 | South Asians and North Africans | Netherlands | Adults | 167 | GATB | 84 | te Nijenhuis, 1997 |
| 6.3 | 15 | South Asians and North Africans | Netherlands | Adults | 275 | GATB | 88 | te Nijenhuis, 1997 |
| 6.3 | 16 | South Asians and North Africans | Netherlands | 6–12 | 1,315 | Arith | 92 | Driessen, 1997 |
| 6.3 | 17 | South Asians and North Africans | Netherlands | 6–12 | 474 | RAKIT | 94 | Helms-Lorenz et al., 2003 |
| 6.3 | 18 | South Asians and North Africans | Slovakia | 5–8 | 728 | CPM | 83 | Raven et al., 1995 |
| 6.4 | 1 | South Asians and North Africans | S. Africa | 10–12 | 762 | AAB | 77 | Fick, 1929 |
| 6.4 | 2 | South Asians and North Africans | S. Africa | 18 | 284 | GFT | 88 | Taylor & Radford, 1986 |
| 6.4 | 3 | South Asians and North Africans | S. Africa | 6–8 | 600 | JSAIS | 86 | Landman, 1988 |
| 6.4 | 4 | South Asians and North Africans | S. Africa | 15 | 1,063 | SPM | 91 | Owen, 1992 |
| 6.4 | 5 | South Asians and North Africans | S. Africa | 15 | 1,063 | JAT | 83 | Lynn & Owen, 1994 |
| 6.4 | 6 | South Asians and North Africans | Tanzania | 13–18 | 727 | SPM | 91 | Klingelhofer, 1967 |
| 6.4 | 7 | South Asians and North Africans | Fiji | 8–13 | 140 | QT | 82 | Chandra, 1975 |
| 6.4 | 8 | South Asians and North Africans | Malaysia | 7–12 | 555 | SPM | 88 | Chaim, 1994 |
| 6.4 | 9 | South Asians and North Africans | Mauritius | 11 | 1,093 | WISC | 89 | Liu et al., 2003 |
| 6.7 | 1 | Jews | Israel | 13–14 | 200 | WISC | 95 | Ortar, 1952 |
| 6.7 | 2 | Jews | Israel | 11–15 | 267 | SPM | 95 | Moyles & Wolins, 1973 |
| 6.7 | 3 | Jews | Israel | 10–12 | 180 | LT | 97 | Miron, 1977 |
| 6.7 | 4 | Jews | Israel | 10–12 | 268 | SPM | 95 | Globerson, 1983 |
| 6.7 | 5 | Jews | Israel | 11 | 2,781 | SPM | 89 | Lancer & Rim, 1984 |
| 6.7 | 6 | Jews | Israel | 5 | 52 | CPM | 96 | Tzuriel & Caspi, 1992 |
| 6.7 | 7 | Jews | Israel | 9–15 | 1,740 | SPM | 90 | Lynn, 1994a |
| 6.7 | 8 | Jews | Israel | 13 | - | SPM | 96 | Kozulin, 1998 |
| 7.1 | 1 | Southeast Asians | Indonesia | 5–12 | 1,149 | DAM | 86 | Thomas & Shah, 1961 |
| 7.1 | 2 | Southeast Asians | Indonesia | 5–20 | 163 | CPM | 87 | Bleichrodt et al., 1980 |
| 7.1 | 3 | Southeast Asians | Indonesia | 4 | 139 | PPVT | 87 | Soewondo et al., 1989 |
| 7.1 | 4 | Southeast Asians | Indonesia | 6–8 | 483 | CPM | 87 | Hadidjaja et al., 1998 |
| 7.1 | 5 | Southeast Asians | Laos | 8 | 22 | KABC | 90 | Boivin et al., 1996 |
| 7.1 | 6 | Southeast Asians | Laos | 30 | 22 | KABC | 88 | Boivin et al., 1996 |
| 7.1 | 7 | Southeast Asians | Malaysia | 7–12 | 3,151 | SPM | 89 | Chaim, 1994 |
| 7.1 | 8 | Southeast Asians | Malaysia | 20 | 175 | EFT | 85 | Kuhnen et al., 2001 |
| 7.1 | 9 | Southeast Asians | Philippines | 12–13 | 203 | SPM | 86 | Flores & Evans, 1972 |
| 7.1 | 10 | Southeast Asians | Singapore | 13 | 190 | SPM | 93 | Lynn, 1977b |
| 7.1 | 11 | Southeast Asians | Thailand | 8–10 | 2,268 | SPM | 91 | Pollitt et al., 1989 |
| 7.2 | 1 | Southeast Asians | USA | 6–14 | 140 | PM | 96 | Porteus, 1937 |
| 7.2 | 2 | Southeast Asians | USA | 10–14 | 305 | NV | 89 | Smith, 1942 |
| 7.2 | 3 | Southeast Asians | USA | 10 | 138 | PMA | 91 | Werner et al., 1968 |
| 7.2 | 4 | Southeast Asians | USA | 16 | 4,147 | STAS | 93 | Brandon et al., 1987 |
| 7.2 | 5 | Southeast Asians | USA | 9–25 | 263 | Various | 87 | Flynn, 1991 |
| 7.2 | 6 | Southeast Asians | USA | 6–10 | 84 | NV | 94 | Tesser et al., 1999 |
| 7.2 | 7 | Southeast Asians | USA | 12–16 | 391 | SPM | 94 | Flynn, 1991 |
| 8.1 | 1 | Australian Aborigines | Australia | Adults | 56 | PM | 66 | Porteus, 1931 |
| 8.1 | 2 | Australian Aborigines | Australia | Adults | 24 | PM | 59 | Piddington & Piddington, 1932 |
| 8.1 | 3 | Australian Aborigines | Australia | Adults | 268 | Various | 58 | Porteus, 1933a, 1933b |
| 8.1 | 4 | Australian Aborigines | Australia | Adults | 31 | AA/PF | 69 | Fowler, 1940 |
| 8.1 | 5 | Australian Aborigines | Australia | Adults | 87 | PM | 70 | Porteus & Gregor, 1963 |
| 8.1 | 6 | Australian Aborigines | Australia | 11 | 101 | QT | 58 | Hart, 1965 |
| 8.1 | 7 | Australian Aborigines | Australia | Adults | 103 | PM | 74 | Porteus et al., 1967 |
| 8.1 | 8 | Australian Aborigines | Australia | 5 | 24 | PPVT | 62 | De Lacey, 1971a, 1971b |
| 8.1 | 9 | Australian Aborigines | Australia | 6–12 | 40 | PPVT | 64 | De Lacey, 1971a, 1971b |
| 8.1 | 10 | Australian Aborigines | Australia | Adults | 60 | CPM | 53 | Berry, 1971 |
| 8.1 | 11 | Australian Aborigines | Australia | 3–4 | 22 | PPVT | 64 | Nurcombe & Moffit, 1973 |
| 8.1 | 12 | Australian Aborigines | Australia | 6–14 | 55 | PPVT | 52 | Dasen et al., 1973 |
| 8.1 | 13 | Australian Aborigines | Australia | 9 | 458 | QT | 58 | McElwain & Kearney, 1973 |
| 8.1 | 14 | Australian Aborigines | Australia | 13 | 42 | SOT | 62 | Waldron & Gallimore, 1973 |
| 8.1 | 15 | Australian Aborigines | Australia | 6–10 | 30 | PPVT | 59 | De Lacey, 1976 |
| 8.1 | 16 | Australian Aborigines | Australia | 25 | 22 | CPM/KB | 60 | Binnie-Dawson, 1984 |
| 8.1 | 17 | Australian Aborigines | Australia | 4 | 55 | PPVT | 61 | Nurcombe et al., 1999 |
| 9.1 | 1 | Pacific Islanders | New Zealand | 12–41 | 53 | WB | 91 | Adcock et al., 1954 |
| 9.1 | 2 | Pacific Islanders | New Zealand | 13 | 214 | PMA | 90 | Walters, 1958 |
| 9.1 | 3 | Pacific Islanders | New Zealand | 15 | 98 | OTIS | 82 | Ausubel, 1961 |
| 9.1 | 4 | Pacific Islanders | New Zealand | 11 | 18 | WB | 81 | Ritchie, 1966 |
| 9.1 | 5 | Pacific Islanders | New Zealand | 8–12 | 238 | OTIS | 85 | Lovegrove, 1966 |
| 9.1 | 6 | Pacific Islanders | New Zealand | 13–14 | 236 | OTIS | 81 | Du Chateau, 1967 |
| 9.1 | 7 | Pacific Islanders | New Zealand | 14 | 77 | OTIS | 84 | Martin, 1969 |
| 9.1 | 8 | Pacific Islanders | New Zealand | 5–7 | 80 | Verbal | 90 | Clay, 1971 |
| 9.1 | 9 | Pacific Islanders | New Zealand | 14 | 55 | SPM | 88 | Codd, 1972 |
| 9.1 | 10 | Pacific Islanders | New Zealand | 4–6 | 151 | PIPS | 96 | St. George & St. George, 1975 |
| 9.1 | 11 | Pacific Islanders | New Zealand | 9 | 211 | SPM/VC | 91 | Harker, 1978 |
| 9.1 | 12 | Pacific Islanders | New Zealand | 8–14 | 303 | QT | 95 | St. George, 1983 |
| 9.1 | 13 | Pacific Islanders | New Zealand | 10–12 | 130 | TOSCA | 90 | St. George & Chapman, 1983 |
| 9.1 | 14 | Pacific Islanders | New Zealand | 8–9 | 22 | WISC-R | 92 | Fergusson et al., 1991 |
| 9.1 | 15 | Pacific Islanders | New Zealand | Adults | 103 | VR | 92 | Guenole et al., 2003 |
| 9.2 | 1 | Pacific Islanders | Hawaii | 6–12 | 105 | Binet | 85 | Porteus & Babcock, 1926 |
| 9.2 | 2 | Pacific Islanders | Hawaii | 10–14 | 302 | NV | 90 | Smith, 1942 |
| 9.2 | 3 | Pacific Islanders | Hawaii | 10–14 | 319 | NV | 82 | Smith, 1942 |
| 9.2 | 4 | Pacific Islanders | Mariana Islands | 6–16 | 200 | Arthur | 81 | Joseph & Murray, 1951 |
| 9.2 | 5 | Pacific Islanders | Marshall Islands | 12–18 | 407 | CF | 84 | Jordheim & Olsen, 1963 |
| 9.2 | 6 | Pacific Islanders | Samoa | 5–7 | 80 | Verbal | 90 | Clay, 1971 |
| 9.2 | 7 | Pacific Islanders | Papua N. Guinea | 17–18 | 152 | SOP | 82 | Waldron & Gallimore, 1973 |
| 9.2 | 8 | Pacific Islanders | Cook Islands | 4–6 | 110 | PIPS | 89 | St. George, 1974 |
| 9.2 | 9 | Pacific Islanders | Fiji | 12 | 76 | QT | 84 | Chandra, 1975 |
| 9.2 | 10 | Pacific Islanders | Tonga | 8–9 | 80 | PAT | 86 | Beck & St. George, 1983 |
| 9.2 | 11 | Pacific Islanders | Papua N. Guinea | 7–10 | 241 | BG | 83 | Robin & Shea, 1983 |
| 9.2 | 12 | Pacific Islanders | Hawaii-Filipinos | 16 | 3,507 | STAS | 89 | Brandon et al., 1987 |
| 9.2 | 13 | Pacific Islanders | New Caledonia | 5–10 | 96 | KB | 85 | Cottereau-Reiss & Lehalle, 1988 |
| 9.2 | 14 | Pacific Islanders | Pacific Islands | 9–17 | 65 | SPM | 88 | Reid & Gilmore, 1989 |
| 10.1 | 1 | East Asians | China | 6–16 | 660 | WISC-R | 107 | Li et al., 1990 |
| 10.1 | 2 | East Asians | China | 6–15 | 5,108 | SPM | 101 | Lynn, 1991c |
| 10.1 | 3 | East Asians | China | 14–15 | 297 | Various | 103 | Li et al., 1996 |
| 10.1 | 4 | East Asians | China | 6–12 | 269 | SPM | 104 | Geary et al., 1997 |
| 10.1 | 5 | East Asians | China | 4 | 60 | Arithmetic | 109 | Ginsburg et al., 1997 |
| 10.1 | 6 | East Asians | China | 6–13 | 463 | DAM | 103 | Cox et al., 1998 |
| 10.1 | 7 | East Asians | China | 6–8 | 160 | SPM | 107 | Goa et al., 1998 |
| 10.1 | 8 | East Asians | China | 17 | 218 | SPM | 103 | Geary et al., 1999 |
| 10.1 | 9 | East Asians | China | 19 | 218 | SPM | 113 | Geary et al., 1999 |
| 10.1 | 10 | East Asians | China | 6–8 | 300 | BTBC-R | 107 | Zhou & Boehm, 2001 |
| 10.1 | 11 | East Asians | Hong Kong | 9–11 | 1,007 | CCT | 105 | Godman, 1964 |
| 10.1 | 12 | East Asians | Hong Kong | 16 | 5,209 | AH4 | 106 | Vernon, 1982 |
| 10.1 | 13 | East Asians | Hong Kong | 10 | 1,000 | SPM | 109 | Chan & Vernon, 1988 |
| 10.1 | 14 | East Asians | Hong Kong | 6–13 | 13,822 | SPM | 103 | Lynn, Pagliari & Chan, 1988 |
| 10.1 | 15 | East Asians | Hong Kong | 6–15 | 4,500 | SPM | 110 | Lynn, Pagliari & Chan, 1988 |
| 10.1 | 16 | East Asians | Hong Kong | 10 | 197 | SPM/PMA | 108 | Lynn, Pagliari & Chan, 1988 |
| 10.1 | 17 | East Asians | Hong Kong | 9 | 376 | CCF | 104 | Lynn, Hampson & Lee, 1988 |
| 10.1 | 18 | East Asians | Hong Kong | 9 | 479 | SPM | 122 | Chan et al., 1991 |
| 10.1 | 19 | East Asians | Hong Kong | 15 | 341 | APM | 120 | Lynn & Chan, 2003 |
| 10.1 | 20 | East Asians | Japan | 5–15 | 1,070 | WISC | 102 | Lynn, 1977a |
| 10.1 | 21 | East Asians | Japan | 35 | 316 | WAIS | 102 | Lynn, 1977a |
| 10.1 | 22 | East Asians | Japan | 5–10 | 760 | MFFT | 107 | Salkind et al., 1978 |
| 10.1 | 23 | East Asians | Japan | 10 | 212 | Kyoto | 106 | Lynn & Dziobon, 1980 |
| 10.1 | 24 | East Asians | Japan | 8–11 | 97 | WRAT-A | 108 | Tarnopol & Tarnopol, 1980 |
| 10.1 | 25 | East Asians | Japan | 9 | 223 | CEFT | 112 | Bagley et al., 1983 |
| 10.1 | 26 | East Asians | Japan | 4–9 | 347 | CMMS | 107 | Misawa et al., 1984 |
| 10.1 | 27 | East Asians | Japan | 6–11 | 480 | Various | 105 | Stevenson et al., 1985 |
| 10.1 | 28 | East Asians | Japan | 6–16 | 1,100 | WISC-R | 103 | Lynn & Hampson, 1986a |
| 10.1 | 29 | East Asians | Japan | 4–6 | 600 | WPPSI | 105 | Lynn & Hampson, 1987 |
| 10.1 | 30 | East Asians | Japan | 14 | 2,100 | Kyoto | 104 | Lynn et al., 1987a |
| 10.1 | 31 | East Asians | Japan | 13–15 | 178 | DAT | 104 | Lynn et al., 1987b |
| 10.1 | 32 | East Asians | Japan | 2–8 | 548 | McCarthy | 103 | Ishikuma et al., 1988 |
| 10.1 | 33 | East Asians | Japan | 6–12 | 142 | K-ABC | 101 | Kaufman et al., 1989 |
| 10.1 | 34 | East Asians | Japan | 16 | 175 | A,MR,M | 113 | Mann et al., 1990 |
| 10.1 | 35 | East Asians | Japan | 9 | 444 | SPM | 110 | Shigehisa & Lynn, 1991 |
| 10.1 | 36 | East Asians | Japan | 5–7 | 454 | CCAT | 109 | Takeuchi & Scott, 1992 |
| 10.1 | 37 | East Asians | Japan | 6–12 | 451 | MAT | 105 | Tamoaka et al., 1993 |
| 10.1 | 38 | East Asians | Japan | 14–15 | 239 | Various | 103 | Li et al., 1996 |
| 10.1 | 39 | East Asians | Japan | 6–17 | 93 | Gen Info | 100 | Chen et al., 1996 |
| 10.1 | 40 | East Asians | Japan | 19 | 72 | GMRT | 102 | Flaherty, 1997 |
| 10.1 | 41 | East Asians | Japan | 7–11 | 60 | DAM | 102 | Cox et al., 2001 |
| 10.1 | 42 | East Asians | Japan | 17 | 1,119 | Gen Info | 105 | Evans et al., 2002 |
| 10.1 | 43 | East Asians | Singapore | 13 | 147 | SPM | 107 | Lynn, 1977b |
| 10.1 | 44 | East Asians | Singapore | 15 | 459 | APM | 114 | Lim, 1994 |
| 10.1 | 45 | East Asians | South Korea | 2–12 | 440 | KABC | 113 | Moon, 1988 |
| 10.1 | 46 | East Asians | South Korea | 9 | 107 | SPM/PMA | 109 | Lynn & Song, 1994 |
| 10.1 | 47 | East Asians | South Korea | 4 | 56 | Numerical | 103 | Ginsburg et al., 1997 |
| 10.1 | 48 | East Asians | South Korea | 6–16 | 2,231 | WISC-3 | 100 | Georgas et al., 2003 |
| 10.1 | 49 | East Asians | Taiwan | 6–8 | 1,865 | CPM | 102 | Hsu, 1971 |
| 10.1 | 50 | East Asians | Taiwan | 9–10 | 1,384 | SPM | 110 | Hsu et al., 1973 |
| 10.1 | 51 | East Asians | Taiwan | 6–7 | 43,825 | CPM | 105 | Hsu, 1976 |
| 10.1 | 52 | East Asians | Taiwan | 8–11 | 193 | WRAT-A | 107 | Tarnopol & Tarnopol, 1980 |
| 10.1 | 53 | East Asians | Taiwan | 6–11 | 480 | Various | 104 | Stevenson et al., 1985 |
| 10.1 | 54 | East Asians | Taiwan | 6–8 | 764 | CPM | 105 | Rabinowitz et al., 1991 |
| 10.1 | 55 | East Asians | Taiwan | 6–11 | 169 | Gen Info | 100 | Chen et al., 1996 |
| 10.1 | 56 | East Asians | Taiwan | 9–12 | 2,476 | CPM | 105 | Lynn, 1997 |
| 10.1 | 57 | East Asians | Taiwan | 6–15 | 118 | SPM | 105 | Lai et al., 2001 |
| 10.1 | 58 | East Asians | Taiwan | 17 | 1,469 | Gen Info | 107 | Evans et al., 2002 |
| 10.1 | 59 | East Asians | Taiwan | 17 | 1,469 | Gen Info | 107 | Evans et al., 2002 |
| 10.2 | 1 | East Asians | California | 6–12 | 97 | Binet | 97 | Yeung, 1922 |
| 10.2 | 2 | East Asians | Hawaii | 9–13 | 513 | Pintner | 99 | Symonds, 1924 |
| 10.2 | 3 | East Asians | USA | 6–8 | 67 | DAM | 101 | Goodenough, 1926b |
| 10.2 | 4 | East Asians | Hawaii | 12 | 408 | PM | 100 | Porteus & Babcock, 1926 |
| 10.2 | 5 | East Asians | Hawaii | 7–12 | 770 | PM | 103 | Porteus, 1930 |
| 10.2 | 6 | East Asians | Honolulu | 10–14 | 2,704 | NV | 99 | Smith, 1942 |
| 10.2 | 7 | East Asians | Honolulu | 10–14 | 3,312 | NV | 101 | Smith, 1942 |
| 10.2 | 8 | East Asians | Honolulu | 10–14 | 509 | NV | 102 | Smith, 1942 |
| 10.2 | 9 | East Asians | USA | 18 | 669 | OSUT | 96 | Portenier, 1947 |
| 10.2 | 10 | East Asians | New York | 6 | 80 | Hunter | 103 | Lesser et al., 1965 |
| 10.2 | 11 | East Asians | USA | 6–17 | 4,994 | Various | 100 | Coleman, 1966 |
| 10.2 | 12 | East Asians | Hawaii | 16 | 554 | SCAT | 96 | Stewart et al., 1967 |
| 10.2 | 13 | East Asians | Kauai | 9–10 | 253 | PMA | 98 | Werner et al., 1968 |
| 10.2 | 14 | East Asians | Los Angeles | 17 | 390 | Various | 99 | Flaughter, 1971 |
| 10.2 | 15 | East Asians | California | 11–15 | 90 | Maps | 103 | Feldman, 1971 |
| 10.2 | 16 | East Asians | USA | 6–11 | 32 | WISC | 101 | United States, 1971 |
| 10.2 | 17 | East Asians | USA | 18 | 150 | Various | 98 | Backman, 1972 |
| 10.2 | 18 | East Asians | California | 9 | 53 | WISC | 101 | Yee & La Forge, 1974 |
| 10.2 | 19 | East Asians | California | 6–11 | 478 | Various | 101 | Jensen & Inouye, 1980 |
| 10.2 | 20 | East Asians | USA | - | 929 | Various | 99 | Sowell, 1986 |
| 10.2 | 21 | East Asians | Hawaii | 16 | 4,024 | STAS | 107 | Brandon et al., 1987 |
| 10.2 | 22 | East Asians | California | 6–11 | 254 | Lorge-T | 101 | Flynn, 1991 |
| 10.2 | 23 | East Asians | California | 10–12 | 234 | Lorge-T | 110 | Flynn, 1991 |
| 10.2 | 24 | East Asians | California | 10 | 155 | SPM | 104 | Jensen & Whang, 1994 |
| 10.2 | 25 | East Asians | USA | 14–22 | 42 | AFQT | 103 | Herrnstein & Murray, 1994 |
| 10.2 | 26 | East Asians | USA | 6–17 | 48 | DAB | 104 | Lynn, 1996 |
| 10.2 | 27 | East Asians | USA | 7 | 63 | WISC | 109 | Rushton, 1997 |
| 10.3 | 1 | East Asians | Brazil | 10 | 186 | SPM | 99 | Fernandez, 2001 |
| 10.3 | 2 | East Asians | Britain | 9 | 42 | CEFT | 107 | Bagley et al.,1983 |
| 10.3 | 3 | East Asians | Canada | 6–12 | 274 | Pintner | 104 | Sandiford & Kerr, 1926 |
| 10.3 | 4 | East Asians | Canada | 6–12 | 224 | Pintner | 95 | Sandiford & Kerr, 1926 |
| 10.3 | 5 | East Asians | Canada | 6–8 | 40 | WISC | 101 | Peters & Ellis, 1970 |
| 10.3 | 6 | East Asians | Canada | 6–8 | 85 | WISC | 101 | Kline & Lee, 1972 |
| 10.3 | 7 | East Asians | Canada | 15 | 182 | Various | 103 | Vernon,1984 |
| 10.3 | 8 | East Asians | Malaysia | 7–12 | 1,459 | SPM | 99 | Chaim,1994 |
| 10.3 | 9 | East Asians | Netherlands | 11 | 150 | CITO | 102 | Pieke,1988 |
| 10.4 | 1 | East Asians | USA | 6–14 | 37 | Various | 102 | Winick et al., 1975 |
| 10.4 | 2 | East Asians | USA | 6–14 | 38 | Various | 106 | Winick et al., 1975 |
| 10.4 | 3 | East Asians | USA | 6–14 | 37 | Various | 112 | Winick et al., 1975 |
| 10.4 | 4 | East Asians | USA | 3–4 | 25 | PPVT | 115 | Clark & Hanisee, 1982 |
| 10.4 | 5 | East Asians | Belgium | 10 | 19 | WISC | 110 | Frydman & Lynn, 1989 |
| 10.4 | 6 | East Asians | Netherlands | 7 | 36 | RACIT | 108 | Stams et al., 2000 |
| 11.1 | 1 | Arctic | Arctic | 6–11 | 469 | DAM | 89 | Eells, 1933 |
| 11.1 | 2 | Arctic | Arctic | 6–11 | 105 | DAM | 92 | Eells, 1933 |
| 11.1 | 3 | Arctic | Arctic | 6–9 | 174 | CPM | 94 | MacArthur, 1965 |
| 11.1 | 4 | Arctic | Arctic | 10–15 | 326 | SPM | 84 | MacArthur, 1965 |
| 11.1 | 5 | Arctic | Arctic | 25 | 122 | CPM | 78 | Berry, 1966 |
| 11.1 | 6 | Arctic | Arctic | Adults | 186 | CPMT | 93 | Kunce et al., 1967 |
| 11.1 | 7 | Arctic | Arctic | 10 | 87 | SPM | 91 | MacArthur, 1967 |
| 11.1 | 8 | Arctic | Arctic | 11 | 50 | MVK | 90 | Vernon, 1969 |
| 11.1 | 9 | Arctic | Arctic | 6–12 | 380 | WISC | 91 | Kaplan et al., 1973 |
| 11.1 | 10 | Arctic | Arctic | 9–12 | 69 | CPM | 96 | Taylor & Skanes, 1976a |
| 11.1 | 11 | Arctic | Arctic | 7 | 22 | WPPSI | 93 | Taylor & Skanes, 1976b |
| 11.1 | 12 | Arctic | Arctic | 7–10 | 63 | CPM | 95 | Taylor & Skanes, 1977 |
| 11.1 | 13 | Arctic | Arctic | 7–14 | 366 | WISC-R | 91 | Wilgosh et al., 1986 |
| 11.1 | 14 | Arctic | Arctic | 5 | 110 | CPM | 92 | Wright et al., 1996 |
| 11.1 | 15 | Arctic | Arctic | 15 | 261 | CCF/MH | 86 | Grigorenko et al., 2004 |
| 12.1 | 1 | Native Americans | USA | 6–11 | 715 | Otis | 86 | Hunter & Sommermier, 1922 |
| 12.1 | 2 | Native Americans | USA | 9–13 | 1,102 | National | 69 | Garth, 1925 |
| 12.1 | 3 | Native Americans | USA | 5–9 | 961 | Pinter/Nat | 85 | Haught, 1934 |
| 12.1 | 4 | Native Americans | USA | 9–14 | 1,000 | Otis | 70 | Garth and Smith, 1937 |
| 12.1 | 5 | Native Americans | USA | 6–11 | 323 | McArthur | 88 | Havighurst et al., 1944 |
| 12.1 | 6 | Native Americans | USA | 6–13 | 205 | CPM | 93 | Turner & Penfold, 1952 |
| 12.1 | 7 | Native Americans | USA | 16–17 | 100 | WAIS | 86 | Howell et al., 1958 |
| 12.1 | 8 | Native Americans | USA | 6–15 | 281 | SPM | 85 | West & MacArthur, 1964 |
| 12.1 | 9 | Native Americans | USA | 8–17 | 4,994 | - | 91 | Coleman, 1966 |
| 12.1 | 10 | Native Americans | Canada | 6–14 | 124 | CF | 76 | Gaddes et al., 1968 |
| 12.1 | 11 | Native Americans | Canada | 12–14 | 137 | SPM | 94 | Bowd, 1973 |
| 12.1 | 12 | Native Americans | Canada | 5–11 | 111 | CPM | 92 | Cropley & Cardey, 1975 |
| 12.1 | 13 | Native Americans | USA | 6–20 | 160 | WISC | 90 | St. John et al., 1976 |
| 12.1 | 14 | Native Americans | Canada | 6–13 | 177 | WISC-R | 82 | Seyfort et al., 1980 |
| 12.1 | 15 | Native Americans | USA | 6–13 | 177 | WISC-R | 87 | Teeter et al., 1982 |
| 12.1 | 16 | Native Americans | USA | 6–12 | 236 | WISC-R | 94 | McShane & Plas, 1984 |
| 12.1 | 17 | Native Americans | USA | 6–16 | 200 | WISC-R | 93 | Browne, 1984 |
| 12.1 | 18 | Native Americans | USA | 13–15 | 124 | SPM | 87 | Sidles & MacAvoy, 1987 |
| 12.1 | 19 | Native Americans | USA | 6–16 | 1,129 | SPM | 93 | Raven & Court, 1989 |
| 12.1 | 20 | Native Americans | USA | 6–16 | 240 | WISC-R | 86 | Reynolds et al., 1999 |
| 12.1 | 21 | Native Americans | USA | 6–15 | 691 | WISC-R | 80 | Beiser & Gotowiec, 2000 |
| 12.3 | 1 | Native Americans | Colombia | 4 | 120 | QR | 84 | Ginsburg et al., 1997 |
| 12.3 | 2 | Native Americans | Ecuador | 6–7 | 48 | DAM | 89 | Dodge, 1969 |
| 12.3 | 3 | Native Americans | Ecuador | 17 | 120 | WISC-R | 88 | Fierro-Benitez et al., 1989 |
| 12.3 | 4 | Native Americans | Ecuador | 5–17 | 104 | MAT | 80 | Proctor et al., 2000 |
| 12.3 | 5 | Native Americans | Ecuador | 8 | 41 | CPM | 91 | Counter et al., 1998 |
| 12.3 | 6 | Native Americans | Guatemala | 6–12 | 256 | DAM | 79 | Johnson et al., 1967 |
| 12.3 | 7 | Native Americans | Mexico | 6–13 | 520 | DAM | 87 | Modiano, 1962 |
| 12.3 | 8 | Native Americans | Mexico | 6–12 | 197 | DAM | 92 | Laosa et al., 1974 |
| 12.3 | 9 | Native Americans | Mexico | 7–11 | 194 | SPM | 83 | Lynn et al., 2005 |
| 12.3 | 10 | Native Americans | Peru | 8–11 | 4,382 | CPM | 87 | Raven et al., 1995 |
| 12.3 | 11 | Native Americans | Peru | 6–7 | 300 | WISC | 85 | Llanos, 1974 |
| 12.6 | 1 | Hispanics | New Mexico | 6–12 | 100 | Binet | 89 | Sheldon, 1924 |
| 12.6 | 2 | Hispanics | USA | 6–12 | 367 | DAM | 87 | Goodenough, 1926b |
| 12.6 | 3 | Hispanics | California | 6–13 | 2,025 | SPM/LT/SA | 91 | Jensen, 1973 |
| 12.6 | 4 | Hispanics | California | 6–12 | 644 | CPM/PPVT | 90 | Jensen, 1974 |
| 12.6 | 5 | Hispanics | California | 7–13 | 608 | CPM/SPM | 95 | Jensen, 1974 |
| 12.6 | 6 | Hispanics | California | 6–11 | 597 | CPM | 83 | Raven, 1986 |
| 12.6 | 7 | Hispanics | Texas | 6–11 | 434 | CPM | 94 | Raven, 1986 |
| 12.6 | 8 | Hispanics | Texas | 9–12 | 404 | SPM | 84 | Raven, 1986 |
| 12.6 | 9 | Hispanics | USA | 12–23 | 111 | SB4 | 99 | Thorndike et al., 1986 |
| 12.6 | 10 | Hispanics | USA | 3–18 | 550 | PPVT-R | 87 | Dunn, 1988 |
| 12.6 | 11 | Hispanics | Puerto Rico | 8–15 | 2,911 | SPM | 84 | Raven & Court, 1989 |
| 12.6 | 12 | Hispanics | Puerto Rico | 5–11 | 2,400 | SPM | 83 | Raven et al., 1995 |
| 12.6 | 13 | Hispanics | USA | 20–90 | 37 | K-BIT | 93 | Kaufman & Wang, 1992 |
| 12.6 | 14 | Hispanics | USA | 14–22 | 3,120 | AFQT | 86 | Herrnstein & Murray, 1994 |
| 12.6 | 15 | Hispanics | USA | 11–93 | 140 | KAIT | 92 | Kaufman et al., 1994 |
| 12.6 | 16 | Hispanics | USA | 16–74 | 1,736 | GATB | 88 | Avolio & Waldman, 1994 |
| 12.6 | 17 | Hispanics | USA | 6–16 | 242 | WISC-111 | 91 | Prifitera et al., 1998 |
| 12.6 | 18 | Hispanics | Arizona | 6–16 | 223 | WISC-R | 81 | Reynolds et al., 1999 |
| 12.6 | 19 | Hispanics | USA | 20–89 | 163 | WAIS-111 | 92 | Kaufman & Lichtenberger, 2002 |
| 12.6 | 20 | Hispanics | USA | Adults | - | Meta-analysis | 89 | Roth et al., 2001 |
