With regard to their ages, they will all enter Paradise at the age of strength and youth, thirty-three years old. It was narrated from Mu’aadh ibn Jabal that the Prophet (peace and blessings of Allaah be upon him) said: “The people of Paradise will enter Paradise hairless, beardless with their eyes anointed with kohl, aged thirty or thirty-three years.”
We have many traditions like this that believers will enter in paradise while they will be in their youth age. And it makes sense because youth age is only suitable for all types of physical and spiritual enjoyment.