Why does the Darth Vader in Rogue One looks exactly the same as the Darth Vader in the initial Star Wars trilogy? Didn't the actor get older?

He stayed in great shape all these years.

There's a different actor inside the Darth Vader suit for Rogue One, not that you can tell. The suit looks the same no matter who's inside of it.

Rogue One takes place hours before the events of Star Wars: A New Hope.

When you're a thousand years old, you don't look much older over a span of a few Earth years.

Hollywood makeup artists, the budget for Star Wars is very high, top of the line and CGI