Top Basketball Leagues in the World (2025–26 Season Guide)
Discover the best basketball leagues in the world including the NBA, EuroLeague, Liga ACB, NBL Australia, CBA China, and more. Compare formats, talent levels, and how to follow each league.
Basketball has never been more global. While the NBA remains the pinnacle of professional basketball, leagues on every continent offer elite competition, top-tier talent, and passionate fanbases. This guide ranks and profiles the world's best basketball leagues, covering their format, key teams, star players, and how you can follow the action.
1. NBA — National Basketball Association (USA/Canada)
The NBA is universally recognised as the highest level of professional basketball on Earth. Founded in 1946, it comprises 30 franchises split between the Eastern and Western Conferences. Each team plays 82 regular-season games, followed by a 16-team playoff bracket culminating in the NBA Finals.
- Season
- October – June
- Teams
- 30 (15 per conference)
- Notable Teams
- Los Angeles Lakers, Boston Celtics, Golden State Warriors, Chicago Bulls
- Why watch
- Best players in the world, highest salaries, most athleticism, global superstars
2. EuroLeague — Turkish Airlines EuroLeague (Europe)
The EuroLeague is Europe's top club basketball competition, widely regarded as the second-best league in the world. It features 18 permanent and wildcard member clubs from across Europe competing in a regular season followed by a Final Four tournament. The level of tactical sophistication is arguably higher than the NBA due to its European coaching traditions.
- Season
- October – May
- Teams
- 18 clubs
- Notable Teams
- Real Madrid, FC Barcelona, Fenerbahçe, CSKA Moscow, Olympiacos, Anadolu Efes
- Why watch
- Elite European talent, tactical basketball, passionate arenas, multiple nationalities
3. Liga ACB — Spain (LigaACB)
The Liga ACB is Spain's premier basketball league and one of the strongest national leagues in Europe. It serves as the primary feeder to the EuroLeague for Spanish clubs. Real Madrid and FC Barcelona dominate, but smaller clubs consistently develop players who go on to NBA careers.
- Season
- October – June
- Teams
- 18
- Notable Teams
- Real Madrid, FC Barcelona, Valencia Basket, UCAM Murcia
4. Lega Basket Serie A — Italy
Italy's top basketball league has a storied history and produced NBA players including Marco Belinelli and Danilo Gallinari. The league is competitive, with Olimpia Milano consistently competing in the EuroLeague. Italian basketball is known for strong defensive fundamentals.
- Season
- September – June
- Teams
- 16
- Notable Teams
- Olimpia Milano, Virtus Bologna, Trento
5. BSL — Turkish Basketball Super League
Turkey's basketball league has grown significantly in stature, boosted by the EuroLeague presence of Fenerbahçe and Anadolu Efes. It regularly attracts well-paid veterans and rising international talents. The atmosphere in Istanbul derbies is among the most electric in European basketball.
- Season
- October – May
- Teams
- 18
- Notable Teams
- Fenerbahçe Beko, Anadolu Efes, Galatasaray
6. NBL — National Basketball League (Australia)
The NBL has undergone a dramatic transformation since partnering with the NBA in 2019 for its 'Next Stars' program, which allowed elite prospects to skip college and play in Australia before entering the NBA Draft. Ben Simmons, LaMelo Ball, and R.J. Hampton all passed through the NBL on their path to the NBA.
- Season
- October – February
- Teams
- 10
- Notable Teams
- Melbourne United, Sydney Kings, Perth Wildcats
- Why watch
- High-energy style, NBA prospects, strong home-court atmospheres
7. CBA — Chinese Basketball Association
The CBA is the most-watched basketball league outside North America by sheer audience size. Its profile rose globally with the emergence of Yao Ming in the 2000s. While the competitive level is below European leagues, its import player market attracts NBA veterans and prospects looking to stay sharp.
- Season
- November – April
- Teams
- 20
- Notable Teams
- Beijing Ducks, Guangdong Southern Tigers, Shanghai Sharks
8. WNBA — Women's National Basketball Association (USA)
The WNBA is the world's premier women's basketball league. Founded in 1996, it has grown dramatically in popularity — the 2024 season set all-time viewership records, driven partly by the arrival of Caitlin Clark. Its 13 franchises play a 40-game regular season followed by playoffs.
- Season
- May – September
- Teams
- 13
- Notable Teams
- Las Vegas Aces, New York Liberty, Seattle Storm, Indiana Fever