adulthood period

What Are The Five Periods Of Adulthood? Levinson’s model contains five main stages. They are the pre-adulthood stage (age 0 – 22), the early adulthood stage (age 17 – 45), the middle adult stage (age 40 – 65), the late adulthood stage (age 60 – 85) and the late late adult stage (age 80 plus).