Hayden Christensen was 37 in Star Wars: The Rise of Skywalker when he played the character 'Anakin Skywalker (voice)'.
That was over 4 years ago in 2019.
Today he is 43, and has starred in 35 movies in total, 1 of those since Star Wars: The Rise of Skywalker was released.
In Star Wars: The Rise of Skywalker, I think Hayden Christensen looks: