Comment by peri-cl

The countries' box office markets are about the same size, though:

https://en.wikipedia.org/wiki/Film_industry#Largest_markets_... ("Largest markets by box office revenue")

    United States and Canada $8,870,000,000  2025[175]
    Europe                   $8,200,000,000  2024[176]
    China                    $7,400,000,000  2025[177]