Each
National Olympic Committee (NOC) is limited to participation in 1 team sports (Futsal, Beach handball, Field Hockey, and Rugby Sevens) per each gender with the exception of the host country who can enter one team per sport. Also at Futsal each NOC can enter a maximum of 1 team of 10 athletes per both genders. To be eligible to participate in the Youth Olympics, athletes must have been born between 1 January 2000 and 31 December 2003. As hosts, Argentina has the right to directly qualify 1 team (male or female of their own choice, but not both) on account of
CONMEBOL quota. The best ranked NOC in each of the 6 Continental Qualification Tournaments will obtain quota place. 2 quota per each gender are giving to
AFC,
UEFA,
CONCACAF and CONMEBOL and 1 quota per each gender are giving to
CAF and
OFC. : Italy originally qualified, but chose to compete in beach handball. The spot was reallocated to the next highest ranked nation, Slovakia.
Girls' qualification Since host nation Argentina chose to compete in boys' tournament, 10 national under-18 teams qualified from six separate continental confederations. : New Zealand originally qualified, but chose to compete in rugby sevens. The spot was reallocated to the next highest ranked nation, Tonga. : Brazil and Colombia originally qualified, but Brazil chose to compete in boys' tournament and Colombia chose to compete in rugby sevens. The spots were eventually reallocated to Bolivia and Chile. : Nigeria originally qualified, but declined to enter. The spot was eventually reallocated to Cameroon. : United States and Canada originally qualified, but United States declined to enter and Canada chose to compete in rugby sevens. The spots were eventually reallocated to Trinidad and Tobago and Dominican Republic. : Iran originally qualified, but chose to compete in boys' tournament. The spot was reallocated to the next highest ranked nation, Thailand. ==Schedule==