Lionel Messi has announced his retirement from playing for Argentina's national team at the age of 39. This decision comes after nearly two decades of representing the national side. Messi's career with the Argentine national team has spanned almost twenty years, and he has now chosen to end it.

Further information on Messi's decision to retire from the national team can be found through additional sources, as details of his announcement are currently limited to his retirement and the duration of his career with the team.