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Tintin's age is never accurately revealed within the comics.

Other characters treat him as a worldly young adult, as shown by the absence of concerns like parents or school, as well as by his wide solo travels all over the globe.

He's old enough to enter a pub and drink a beer ( The Black Island ) and old enough to live alone with his dog in his own apartment.

However, he is still referred to as a " young boy ", and a " puppy " in The Crab with the Golden Claws.

A 1979 television interview with Hergé settled the matter, when Hergé stated that when he first thought about Tintin, the character was 14 or 15 years old, and by the time of the interview stated: " but now, let's say that he is 17.

" In one shot in the television series episode The Secret of the Unicorn, Tintin's passport states his birth year as 1929 ( the year of his print debut ).