Dortmund's home stadium Signal Iduna Park has the highest average attendances this season as there are on average 81,171 people who go to the stadium to watch every Dortmund's game. 

Highest average attendances in top 5 leagues 19/20:

Signal Iduna Park (Dortmund) - 81,171

Allianz Arena (Bayern) - 75,000

Camp Nou (Barca) - 73,323

Old Trafford (Man Utd) - 72,669

Bernabeu (Real Madrid) - 66,884