A National under-21 football team
represents the second-highest stage in European international football
competition. Only Europe (UEFA
) uses an under-21 age limit - all of FIFA
's other Confederations - and FIFA itself - run competitions for under-20
age groups. European countries compete for the UEFA Under-21 Championship
. To be eligible in U-21 teams it is necessary to be a maximum of 21 years old when the competition starts.