Concern about the load on players has grown in recent years, particularly as the number of fixtures has been increasing.
This year’s Champions League adds fixtures while FIFA’s expanded 32-team Club World Cup will take place this summer, a time when players would normally have a break from games.
Top clubs with European and domestic cup commitments could play up to 75 games this season.
At a press conference ahead of Saturday’s trip to Werder Bremen, Kompany said that “it was already a theme during my (playing) career” and labelled it “a very important topic.”
“To play 75, 80 games, it gets to a point where it’s not realistic any more.