How old was Justin Bieber in The Karate Kid?

It's common to wonder how old a celebrity was when they starred in a particular film. It can shift our perspective on their journey and achievements. We’re about to uncover that piece of the puzzle.

During the filming of The Karate Kid, Justin Bieber was:

15 years old

Based on our estimate, that was the actual age of the celebrity at the time.

The age was estimated using the initial day of the year The Karate Kid came out:

January 1, 2010

And the date of birth of Justin Bieber, that is:

March 01, 1994

As films generally take less than a year from filming to release, the age of Justin Bieber during production could differ by a year from what’s shown.