Host country   CZE

 

20 athletes                  USA

19 athletes                  RUS

17 athletes                  AUS

15 athletes                  GER, JPN

13 athletes                  GBR, KEN, RSA

11 athletes                  CHN

10 athletes                 ROM, SUD

 8 athletes                  BRA, CUB, JAM

 7 athletes                  KSA

 6 athletes                  BRN, ESP, GRE, MAR, UKR

 5 athletes                  CRO, FIN, FRA, TRI

 4 athletes                  BLR, ETH, ITA, SWE

 3 athletes                  EST, GUY, POR

 2 athletes                  ALG, BUL, CAN, COL, CYP, EGY, HUN, KOR, PUR, SLO, TPE, TUR

 

All the remaining Member Federations entering the World Youth Championships will have a quota of 1 athlete (travel and accommodation paid) unless by the deadline for the final entries, they have 2 or more athletes (at least 1 boy and 1 girl) having achieved the standards; in this case, their quota will be increased to 2.

 

Each competing Federation is entitled to one accompanying person for whom the IAAF will pay travel and accommodation.