Talk:Twilight Sparkle/@comment-24459886-20140628045727/@comment-10390252-20140628141338

Don't forget that the portan in EqG is magical and there is no reason to assume that the age/level of physical development is preserved through the transformation process. My own head-canon puts End Season 4 Twilight at the end of college years - around 22 in human terms - about the same age as Fluttershy and between 1-2 years older than the rest of the Mane Six.

That would match with Celestia telling Twilight she's ready to be on her own and the fact that all the rest of the Mane Six are in adult employment.