HistoryData

Population Pyramid of United States of America2024

Total population
345.4M
Median age
39.3
Peak year
2100
Peak population
421.3M

Age & sex distribution over time

195019802000202420502100
1950 · 154.2M · median age 30
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale1950
1980 · 229.9M · median age 30.1
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale1980
2000 · 281.5M · median age 35.3
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale2000
2024 · 345.4M · median age 39.3
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale2024
2050 · 380.8M · median age 42.9
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale2050
2100 · 421.3M · median age 46.3
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale2100

Source: UN World Population Prospects 2024 Revision (CC BY 3.0 IGO). Values in thousands. Years after 2024 are medium-variant projections.

Key insights

Demographic profile

United States of America presently shows a stationary pyramid typical of post-transition populations, with roughly equal cohorts at most ages below retirement. The median age in 2024 is 39.3 years.

Age composition

Children under 15 account for 17.3% of the population; people 65 and older account for 17.9%.

Peak population

UN medium-variant projections place United States of America's peak population in 2100.

Long arc

In 1950 the population was 154.2 million with median age 30. Projected 2100 values are 421.3 million and median age 46.3.

More about United States of America

Population history
United States of America's population over time
Famous people
Notable figures from United States of America
GDP history
Economic output of United States of America
Life expectancy
Longevity in United States of America
Inflation history
Price changes in United States of America
Fertility rate
Births per woman in United States of America