Category | The standard | Category | The standard | Age interval (year) |
Juveniles | The United Nations ages | Baby | Chinese children ages | 0 - 1 |
Infancy | 2 - 3 | |||
Pre-school age | 4 - 6 | |||
School age | 7 - 12 | |||
Teenagers | 13 - 18 | |||
Youth | Young adults | The United Nations ages | 19 - 25 | |
Youth | 26 - 45 | |||
Mid adults | Mid adults | The United Nations ages | 46 - 59 | |
The elderly | The elderly | The United Nations ages | 60 - 75 |