Sixteen teams will play in the FIBA U19 Basketball World Cup 2025. Teams qualify for the U19 Basketball World Cup via regional U18 championships determined by their results, in addition to the host nation.
Finalists of the FIBA U18 AfroBasket 2024 (2)
Semi-Finalists of the FIBA U18 AmeriCup 2024 (4)
Semi-Finalists of the FIBA U18 Asia Cup 2024 (4)
Semi-finalists and the fifth-placed team of the FIBA U18 EuroBasket 2024 (5)
Host nation of the FIBA U19 Basketball World Cup 2025 (1)