Category:Boys of the United States by decade

This meta category should only contain other categories. Files should either be in the relevant subcategory or in the parent category.

 See also category: Girls of the United States by decade.

1. Babies (birth to 24 months)
2. Boys (2–13 years [puberty])
3. Adolescent boys (13–17 years)
4. Men (18+ years)
   • Young men (18–39 years)
   • Middle-aged men (40–59 years)
   • Old men (60+ years)

Definitions come from, but are slightly modified from, the Physical stages of human life as found at Wikipedia:Human development (biology).