List of world cups and world championships for juniors and youth
Men
Columns: Sport | Competition name | Competing entities | Age groups | Held every
Aquatics | FINA World Junior Swimming Championships | Individuals [R ] | 17 or younger | Two years | Athletics | IAAF World Junior Championships in Athletics | Individuals [R ] | 18-19 | Two years | Athletics | IAAF World Youth Championships in Athletics | Individuals [R ] | 17 or younger | Two years | Badminton | BWF World Junior Championships | Individuals [D ] | 19 or younger | One year | Bandy | Bandy World Championship U-23 | Nations | Under-23 | Two years | Bandy | Bandy World Championship U-19 | Nations | Under-19 | Two years | Bandy | Bandy World Championship U-17 | Nations | Under-17 | Two years | Bandy | Bandy World Championship U-15 | Nations | Under-15 | Two years | Baseball | World Junior Baseball Championship | Nations | Under-18 | One year through 2000, now two years | Baseball | World Youth Baseball Championship | Nations | Under-16 | One year through 1998, two years starting in 2001 | Baseball | Big League World Series | Communities | 16-18 | One year | Baseball | Senior League World Series | Communities | 14-16 | One year | Baseball | Junior League World Series | Communities | 13-15 | One year | Baseball | Little League World Series | Communities | 13 or younger | One year | Basketball | FIBA Under-21 World Championship | Nations | 21 or younger | Four years until 2005 | Basketball | FIBA Under-19 World Championship | Nations | 19 or younger | Four years until 2007, now two years | Basketball | FIBA Under-17 World Championship | Nations | 17 or younger | Two years | Basketball | FIBA 3x3 U-18 World Championships | Nations | 18 or younger | Year | Cricket | U-19 Cricket World Cup | Nations | 19 or younger | Two years | Figure skating | World Junior Figure Skating Championships | Individuals | 13-19 | One year | Football (soccer) | FIFA U-20 World Cup | Nations | 20 or younger | Two years | Football (soccer) | FIFA U-17 World Cup | Nations | 17 or younger | Two years | Ice hockey | IIHF World U20 Championship | Nations | 20 or younger | Year | Ice hockey | IIHF World U18 Championships | Nations | 18 or younger | Year | Lacrosse | Under-19 World Lacrosse Championships | Nations | 19 or younger | Four years | Rowing | Junior World Rowing Championships | Nations | 18 or younger | Year | Rugby union | IRB Junior World Championship | Nations | 20 or younger | Year | Rugby union | Under 19 Rugby World Championship | Nations | 19 or younger | Year | Rugby union | Under 21 Rugby World Championship | Nations | 21 or younger | Year | Speed skating | World Junior Speed Skating Championships | Individuals and Nations | 19 or younger | One year | Speed skating | ISU Junior World Cup Speed Skating | Individuals and Nations | 19 or younger | One year | Sailing | ISAF Youth Sailing World Championships | Nations | Under 19's | annually | Sailing | ISAF Classes World Championship | Held in the Optimist, Splash, Zoom, RS Tera etc. | 19 or younger | Various | Table tennis | World Junior Table Tennis Championships | Individuals [D ] and Nations | 18 or younger | One year | Volleyball | Men's Junior Volleyball World Championship | Nations | 21 or younger | Two years | Volleyball | Boys Youth Volleyball World Championship | Nations | 19 or younger | Two years