[2] Each team could register a maximum of 20 and a minimum of 16 players, including at least 2 goalkeepers.
Players born between 1 January 2005 and 31 December 2009 (ages 16 to 20) were eligible to compete in the tournament (Regulations Articles 48 and 51).
[2] Paraguay was announced as the host country for the tournament on 17 September 2024 following the CONMEBOL Council held on the same day.
[22] The draw for the group stage was held on 4 February 2025, 12:00 PYT (UTC−3), at the CONMEBOL headquarters in Luque, Paraguay.
If tied on points, tiebreakers were applied in the following order (Regulations Articles 20, 21):[2] All match times are local, PYT (UTC−3), as listed by CONMEBOL.