First Category
Not young or old (about 40-60)
Middle -aged
Older, but acting like a child
Childish
Old enough to be responsible and make good decisions
Mature
Between 40 and 49
In his forties
Between 13 and 19
In his teens
Stopped working full time (Often after 65)
Retired
Between 30 and 39
In her/his thirties
Between 20 and 29
In her twenties
Looking and acting old
Elderly
Older, but with the energy of a young person
Youthful