More and more people come to see the Colosseum! In 2024 there was an all time record of 14.733.395 visitors (double from the 2018 figure of 7.650.519 visitors) and the gross income has been 101.902.884,50 Euros. The Colosseum is a veritable goldmine for the Italian State!

The following table is from the official statistics of the Italian government.

Actually, another very visited Roman monument (more than 4 million visitors) has been the Pantheon. It was free, but since 2023 there is a 5 Euro ticket. Info here