The Life's Too Short comic writer, who turned 50 earlier this year, says he was not affected by hitting the landmark age.
Gervais said: "I couldn't retire. When I have a day off I think of three new ideas that I want to do.
"People talk about it because it's got a zero on the end but the past ten years have been the best."
The Office star added that he has adapted to his life in the public eye: "I'm coping with it better now.
"At first I dreaded it - I didn't want to be lumped into the same category as those people who just want fame.
"You can't sell every salacious detail of your life and then complain about things - particularly the people who do it with their kids. They'll do anything for a column inch."