What football clubs has the largest fanbase in Germany?

The two football clubs with the largest fanbases in Germany are:

1. FC Bayern Munich: With over 300 million fans worldwide, Bayern Munich has one of the largest fanbases of any football club in the world. The club has a strong fan base in Germany and its home stadium, Allianz Arena, is the largest in the country.

2. Borussia Dortmund: With over 150 million fans worldwide, Borussia Dortmund is another German football club with a large fan base. The club has a passionate and loyal fan base known for its loud and atmospheric support during matches.