U-20 National Teams are youth soccer teams that represent a country in international competitions. The "U-20" designation indicates that players must be under the age of 20, allowing young athletes to showcase their skills on a global stage. These teams often participate in tournaments like the FIFA U-20 World Cup and regional competitions, providing valuable experience for future senior national team players. These teams serve as a crucial development platform for young talent, helping players transition from youth leagues to professional soccer. Many famous players, such as Lionel Messi and Cristiano Ronaldo, have represented their countries at the U-20 level before achieving success in senior competitions.