How old is Tanner Buchanan?
This image appears in the gallery:
Tanner Buchanan: 13 facts about the Cobra Kai star you need to know

2. How old is Tanner Buchanan?
Tanner is 22 years old. His birthday is 8 December, and he was born 1998, which means he’ll turn 23 on his next birthday. Oh, and if you’re wondering, he’s a Sagittarius. [Rich Polk/Getty Images for IMDb]