Demographics
From charlesreid1
Back of the Envelope
US population in 2010 was 308.7 million people
Slightly more females than males (males 49% and change, females 51% and change)
Percent of people in the United States who are under 5: around 7%
Percent of people in the United States who are under 18: around 25%
Percent of people in the United States who are "adults" approaching/at middle age (18-44): around 40%
Percent of people in the United States who are older, but not elderly (45-64): around 20%
Percent of people in the United States who are elderly (65+): around 15%
Growth rate of 65+ is higher (20% in past 10 years) than any other age groups (roughly 12% each in past 10 years)
United States Census
Source: US Census Bureau Age and Sex Composition
Year 2010
Breakdown by percent of population. Total population in 2010 was ~310 million people.
Breakdown by gender:
- Males: 49.2%
- Females: 50.8 %
Age
Breakdown by age:
- Under 18: 24%
- 18 to 44: 35%
- 45 to 64: 26%
- 65 and up: 13%
Breaking that down just a bit further:
Under 18 crowd:
- Under 5 years old: 6.5% (still, about 7%)
- 5 to 17 years old: 18%
18 to 44 crowd:
- 18 to 24 years old: 10%
- 25 to 44 years old: 26%
Year 2000
Breakdown by percent of population. Total population in 2010 was ~280 million people.
Gender
Breakdown by gender:
- Males: 49.1%
- Females: 50.9 %
Age
Breakdown by age:
- Under 18: 26%
- 18 to 44: 40%
- 45 to 64: 22%
- 65 and up: 12%
Breaking that down just a bit further:
Under 18 crowd:
- Under 5 years old: 7%
- 5 to 17 years old: 19%
18 to 44 crowd:
- 18 to 24 years old: 10%
- 25 to 44 years old: 30%