Sport
Competition name
Competing entities
Age groups
First held
Current holder
Next
Held every
Aikido
Aikido World Championships
Individuals
2017
(2019)
2021
Biennial
Alpine skiing
World Junior Alpine Skiing Championships
Individuals
1982
2021
One year
Aquatics
FINA World Junior Swimming Championships
Individuals[R]
17 or younger
2006
Winners in 20 events (2019)
2022
Two years
FINA World Junior Open Water Swimming Championships
Individuals
19 or younger
2012
(2018)
2021
Two years
FINA World Junior Diving Championships
Individuals[R]
2020
One years
FINA World Men's Youth Water Polo Championships
Nations
2019
2021
One years
Archery
World Youth Archery Championships
Individuals and Nations
1991
2021
Two year
Indoor archery
World Indoor Archery Championships
Individuals and Nations
2007
2018
2021
Two year
Athletics
IAAF World U20 Championships
Individuals[R]
18–19
1986
Winners in 22 events (2018)
2021
Two years
IAAF World U18 Championships
Individuals[R]
17 or younger
1999
Winners in 19 events (2017)
Defunct
Two years until 2017
Badminton
BWF World Junior Championships
Individuals[D]
19 or younger
1992
Winners in 3 events (2019)
2021
One year
Bandy
Bandy World Championship U-21
Nations
21 or younger
1990
Russia (2019 )
2021
Two years
Bandy World Championship U-19
Nations
19 or younger
2010
Russia (2020 )
2021
One year
Bandy World Championship U-17
Nations
17 or younger
2011
Russia (2020 )
2021
One year
Bandy World Championship U-15
Nations
15 or younger
2006
Russia (2018 )
2020
Two years
Baseball
U-23 Baseball World Cup
Nations
23 or younger
2014
Japan (2018 )
2021
Two years
18U Baseball World Cup
Nations
18 or younger
1981
Chinese Taipei (2019 )
2021
One year through 2000, now two years
15U Baseball World Cup
Nations
15 or younger
1989
United States (2018 )
2021
One year through 1998, two years starting in 2001
12U Baseball World Cup
Nations
11–12
2011
Chinese Taipei (2019 )
2021
Two years
Big League World Series
Communities[ 1]
15–18
1968
Puerto Rico (2015)
Defunct
One year, until 2016
Senior League World Series
Communities[ 2]
13–16
1961
2019
2021
One year
Junior League World Series
Communities[ 3]
13–15
1981
2019
2021
One year
Intermediate League World Series
Communities[ 4]
11–13
2013
2019
2021
One year
Little League World Series
Communities[ 5]
11–13
1947
2019
2021
One year
Baseball5
Youth Baseball5 World Cup
Nations
2023
2023
Two year
Softball
U-23 Men's Softball World Cup
Nations
23 or younger
2021
2021
U-18 Men's Softball World Cup
Nations
18 or younger
1981
Japan (2020 )
2022
Two years
Big League World Series
Nations
15–18
Defunct
Senior League World Series
Nations
13–16
2019
2021
One years
Little League World Series
Nations
11–13
2019
2021
One years
Basketball
FIBA Under-21 World Championship
Nations
21 or younger
1977
Lithuania (2005 )
Defunct
Four years until 2005
FIBA Under-19 Basketball World Cup
Nations
19 or younger
1979
United States (2019 )
2021
Four years until 2007, now two years
FIBA Under-17 Basketball World Cup
Nations
17 or younger
2010
United States (2018 )
2021
Two years
FIBA 3x3 Under-18 World Championships
Nations
18 or younger
2011
United States (2019 )
2021
Two years
FIBA 3x3 Under-23 World Cup
Nations
23 or younger
2018
Russia (2019 )
2021
One year
Beach volleyball
FIVB Beach Volleyball U21 World Championships
Nations
21 or younger
2001
Brazil (2019)
2021
Two years
FIVB Beach Volleyball U19 World Championships
Nations
19 or younger
2002
Russia (2018)
2021
Two years
Biathlon
Biathlon Junior World Championships
Individual and Nations
1967
2021
One years
Billiards
World Junior Nine-Ball Championships
Individual
19 or younger ; 17 or younger
1991
2019
2021
One years
Bobsleigh
World Junior Bobsleigh Championships
Individual
2021
One years
Bodybuilding
IFBB World Junior Championships
Individuals
2019
2020
One year
Boxing
Youth and Junior World Boxing Championships
Individual
1979
2021
One years
Canoeing
ICF World Junior and U23 Canoe Slalom Championships
Individual
1986
2021
One years
ICF World Junior and U23 Canoe Sprint Championships
Individual
2021
Two years
Cricket
U-19 Cricket World Cup
Nations
19 or younger
1988
India India U-19 (2022)
2024
Two years
Indoor cricket
Junior World Series of Indoor Cricket
Nations
19 or younger
2003
2015
Defunct
Cross-country skiing
FIS Nordic Junior World Ski Championships
Individual
1977
2021
One years
Curling
World Junior Curling Championships
Nations
1975
Canada (2020 )
2021
One years
Cycling
UCI Road World Championships
Individuals
1975
2021
One years
UCI Cyclo-cross World Championships
Individuals
1979
2021
One years
UCI Mountain Bike & Trials World Championships
Individuals
1990
2021
One year
UCI Urban Cycling World Championships
Individuals
2017
2021
One years
UCI Junior Track World Championships
Individuals
1975
2021
One years
Fencing
Junior World Fencing Championships
Individuals and Nations
1950
2019
2021
One years
Field archery
World Field Archery Championships
Individuals
1986
2018
2022
Field hockey
Men's FIH Hockey Junior World Cup
Nations
21 or younger
1979
Argentina (2021 )
2023
Two years
Inline hockey
FIRS Inline Hockey World Championships
Nations
2007
Czech Republic (2019 )
2021
Annual
Figure skating
World Junior Figure Skating Championships
Individuals
13–19
1976
Winners in 3 events (2020)
2021
One year
Finswimming
Finswimming World Championships
Individuals
1989
(2019)
2021
Biennial
Fistball
World Under-18 Fistball Championships
Nations
18 or younger
2018
2021
Football (soccer)
FIFA U-20 World Cup
Nations
20 or younger
1977
Uruguay (2023 )
2025
Two years
FIFA U-17 World Cup
Nations
17 or younger
1985
Germany (2023 )
2023
Two years
Floorball
Men's U19 World Floorball championship
Nations
2021
Freestyle skiing
FIS Freestyle Junior World Ski Championships
Individuals
15–18
2003
Winners in 7 events (2019)
2021
annually
Miniature golf
World Youth Mini-Golf Championships
Individuals
2021
2021
2021
One year
Golf
World Junior Golf Championship
Individuals
17 or younger
2015
2019
2021
One year
Gymnastics
Junior World Gymnastics Championships
Individuals
1989
2019
2021
Two Years
Artistic gymnastics
Artistic Gymnastics Junior World Championships
Individuals
17 or younger
2019
2019
2021
Two Years
Handball
IHF Men's Junior World Championship
Nations
21 or younger
1977
France (2019 )
2021
Two years
IHF Men's Youth World Championship
Nations
19 or younger
2005
Egypt (2019 )
2021
Two years
Beach handball
IHF Youth Beach Handball World Championship
Nations
2017
Spain (2017 )
2021
Ice Climbing
Ice Climbing World Youth Championships
Individuals
U16.U19.U22
2013
(2021 )
2022
One Year
Ice hockey
IIHF World Junior Championship
Nations
20 or younger
1977
Canada (2020 )
2021
Year
IIHF World U18 Championship
Nations
18 or younger
1999
Sweden (2019 )
2021
Year
Indoor soccer
WMF U23 World Cup
Nations
U23
2018
2018
2021
1st edition in 2018 is U21,Two years
Judo
World Judo Championships
Individuals
2019
2021
One year
Karate
World Junior Karate Championships
Individuals
2019
2021
One year
Kickboxing
WAKO World Championships (Cadets and Juniors)
Individuals
1996
(2018)
2022
Two years
Kurash
World Junior Kurash Championships
Individuals
2000
2016
2020
Lacrosse
Under-19 World Lacrosse Championships
Nations
19 or younger
1988
United States (2016)
2021
Four years
Luge
Junior World Luge Championships
Individuals
1985
2020
2021
One year
Modern pentathlon
Modern Pentathlon Junior World Championships
Individuals
2019
2021
One year
Modern Pentathlon Youth World Championships
Individuals
2019
2021
One year
Muaythai
IFMA World Youth Muaythai Championships
Individuals
2005
(2019)
2020
One year
Nine-pin bowling
World Youth Bowling Championships
Individuals
2014
2019
2021
One year
World Senior Bowling Championships
Individuals
2013
2019
2021
Two years
Orienteering
Junior World Orienteering Championships
Individuals
20 and younger
1990
2021
One year
Racquetball
Junior Racquetball World Championships
Individuals
2006
2019
2021
One year
Rowing
World Rowing Junior Championships
Nations
18 or younger
1967
Winners in 7 events (2019)
2021
Year
World Rowing U23 Championships
Individuals
23 or younger
2005
(2019)
2021
One year
Rugby union
World Rugby Under 20 Championship
Nations
20 or younger
2008
France (2019 )
2021
Year
Under 19 Rugby World Championship
Nations
19 or younger
2004
New Zealand (2007 )
Defunct
Year
Under 21 Rugby World Championship
Nations
21 or younger
2002
France (2006 )
Defunct
Year
Sambo
World Youth and Junior Sambo Championships
Individuals
2019
2020
One year
Short track speed skating
World Junior Short Track Speed Skating Championships
Individuals and Nations
19 or younger
1994
3 different winners (distances) (2022 ) Italy (relay)
2023
One year
Skeleton
World Junior Skeleton Championships
Individual
2021
One years
Ski jumping
FIS Nordic Junior World Ski Championships
Individual
1977
2021
One years
Snowboarding
FIS Snowboarding Junior World Championships
Individuals
1997
2019
2021
One year
Speed skating
World Junior Speed Skating Championships
Individuals and Nations
19 or younger
1972
Joep Wennemars (allround) (2022 ) Russia (team sprint) Japan (team pursuit)
2023
One year
ISU Junior World Cup Speed Skating
Individuals and Nations
19 or younger
2008–09
Winners in 6 events (2021–22)
2022–23
One year
Squash
World Junior Squash Championships
Individuals and Nations
19 or younger
1973
Mostafa Asal (2019 )
2021
One year
Sailing
ISAF Youth Sailing World Championships
Nations
Under 19's
1971
2021
annually
420 World Championships
Individuals
U17 or younger
2015
(2019)
2020
470 World Championships
Individuals
2016
(2019)
2020
49er & 49er FX World Championships
Individuals
2011
(2020)
2021
Laser 4.7 World Championships
Individuals
18 or younger
2002
(2019)
2021
Laser Radial World Championships
Individuals
21 or younger
2009
(2019)
2021
Sport climbing
IFSC Climbing World Youth Championships
Individuals
2019
2021
One year
Shooting
ISSF Junior World Cup
Individual
2016
2019
2021
One year
Ski orienteering
Junior World Ski Orienteering Championships
Individual
1994
2020
2021
Skyrunning
Youth Skyrunning world championships
Individuals
2019
2021
One year
Snooker
IBSF World Under-21 Snooker Championship
Individual
21 and younger
1987
2019
2021
One year
IBSF World Under-18 Snooker Championship
Individual
18 and younger
2015
2019
2021
One year
Surfing
World Junior Surfing Championships
Individuals
2019
2020
One year
Table tennis
ITTF World Youth Championships
Individuals[D] and Nations
19 or younger
2003
Winners in 8 events (2021 )
2022
One year
Taekwondo
World Taekwondo Junior Championships
Individuals
15–17
1996
Winners in 10 events (2018)
2022
Two years
Nations
Iran (2018)
Tennis
Junior Davis Cup and Junior Fed Cup
Nations
1985
Japan (2019 )
2021
One year
Tug of war
TWIF Outdoor World Championships
Nations
1976
Winners in various weight classes (2018)
2021
Two years
Volleyball
FIVB Volleyball Men's U23 World Championship
Nations
23 or younger
2013
Argentina (2017 )
Defunct
Two years
FIVB Volleyball Men's U21 World Championship
Nations
21 or younger
1977
Iran (2019 )
2021
Two years
FIVB Volleyball Boys' U19 World Championship
Nations
19 or younger
1989
Italy (2019 )
2021
Two years
Canoe polo
ICF Canoe Polo World Championships
Nations
21 or younger
2002
2018
2021
Two years
Weightlifting
IWF Junior World Weightlifting Championships
Individuals
1975
Winners in 10 events (2019 )
2021
One year
Water skiing
IWWF World Junior Waterski Championships
Individuals
2019
2021
One year
Windsurfing
RS:X World Championships
Individuals
2020
2021
One year
Wrestling
Junior World Wrestling Championships
Individuals
1975
2019
2021
One year
UWW U23 World Wrestling Championships
Individuals
Under 23
2019
2021
One year
Wushu
World Junior Wushu Championships
Individuals
2006
2018
2020
One year
Gym wheel
Wheel Gymnastics World Championships
Individuals
18 or younger
1995
Timon Peter
2026
Two year