Boy (birth to age of majority)
- Young boy (birth to puberty)
- Infant (birth to first walking)
- Toddler (first walks)
- Adolescence (puberty to age of majority)
Man (age of majority or above)
- Young adult (18 to 40 years)
- Middle age (40 to 60 years)
- Old age (60 years till death)
All figures above are approximate. Definitions come from, but are slightly modified from, the Wikipedia articles of respective age groups. |