should be early-mid 20's I remember them saying it once but can't remember it. But he was in college in Tokyo Ghoul, then :Re takes place a few years after the events of Tokyo Ghoul.
i think that they said in the manga that Kaneki is 20 years old now
i think that they said in the manga that Kaneki is 22 years old now
He's still as baby face as ever. He looks young in my eyes actually. I wonder if being a ghoul affect your age? Ghouls DO age, don't they?
How old is kaneki again