The life of a human being is divided into several stages according to age

According to the new age segmentation, the life of a human being is divided into six age groups:

1. 0 (newborn) - 6 years old for infants and toddlers;

2. 7-12 years old for adolescents;

3. 13-17 years old for teenagers;

4. 18-45 years old for young adults;

5. 46-69 years old for the middle age;

6, >69 for old age.

Expanded Information:

p>Traditional division:

In China, there are four age groups according to age,

Youth group (below 29 years old),

Middle-aged group (30-39 years old),

Fetus. Infants 0-0.6, young children 0.6-2, children 3-6, teenagers 7-14, youth 15-35, middle-aged 36-60, old age 61-, this is the general situation of the division

Generally speaking, the ancients so divided into time: childhood is 12 years of age or less, 12 years of age or more known as the juvenile total horn age. 20 years old weak crown, is the youth, but also some people believe that 18 years later for the young. 30 and standing, entered the middle age, 40 not confused, known as the prime of life. 50 and know the fate of God, of course, counting the elderly. There are 60 flower armor, 70 old and thin. 80, 90 years of age in the 80s, 90 years of age 100 years of age.

Baidu Encyclopedia - New Age Segmentation