United States Population Pyramid (2026)
The United States has a population of 349,035,494 in 2026, according to the UN World Population Prospects 2024 (projection for 1 July). That is the 3rd-largest population in the world and 4.20% of the global total of 8.30 billion. Children under 15 make up 16.9% of the population and people aged 65 and over 18.8%, with 101.0 males for every 100 females.
United States Demographics
The United States has 349.0 million people in 2026, up 68.0% from 207.8 million in 1970.
Births outnumber deaths by 537,058 (UN projection for 2026).
65+ share 18.8% — the 39th-highest of 194 countries.
Median age 38.7 — the 51st-highest of 194 countries.
Largest generation: Millennials — 21.7% (75,725,892)
All generations in the United States →
Population pyramid, 1950 to 2026
Watch how the United States' population structure evolved from 1950 to 2026
Page Navigation(Quick jump to sections)
Sex Ratio & Gender Distribution
The United States has 101.0 males per 100 females (sex ratio)
Men outnumber women by 1,762,732 (0.5% of the population).
Male Statistics
- Population:175,399,113
- Percentage:50.3%
Female Statistics
- Population:173,636,381
- Percentage:49.7%
- Ratio Format:1:0.990
Sex Ratio Analysis
The sex ratio of the United States indicates more males than females.
Birth Statistics & Natality Data
Estimated births today
Simulated from the UN WPP 2024 projection of 3,673,260 births in 2026.
Current Birth Metrics (2026)
Temporal Distribution
Averages from the UN annual births, 2026 projection
Historical Birth Rate Trends, 1950 to 2026
Birth Statistics, 2021 to 2026
| Year | Births | Birth Rate (per 1,000) | TFR (children/woman) | Type |
|---|---|---|---|---|
| 2021 | 3,681,202 | 10.8 | 1.63 | estimate |
| 2022 | 3,750,379 | 11.0 | 1.67 | estimate |
| 2023 | 3,657,476 | 10.6 | 1.62 | estimate |
| 2024 | 3,654,449 | 10.6 | 1.62 | projection |
| 2025 | 3,663,798 | 10.6 | 1.62 | projection |
| 2026 | 3,673,260 | 10.5 | 1.63 | projection |
Historical Analysis
Global Context (2026)
Source: UN WPP 2024: births, birth rate and fertility for 2024 and later are medium-variant projections; 1950–2023 are estimates. The live counter is a uniform simulation of the 2026 projection (3,673,260 births), not a real-time feed.
Median Age Analysis
The United States' median age is 38.7 years
Half the population is younger than 38.7 years, half is older — indicating a middle-aged society
Complete Age Distribution & Youth Demographics
| Age Group | Population | % | Category |
|---|---|---|---|
| 0-4 | 18,639,064 | 5.3% | Youth |
| 5-9 | 19,401,644 | 5.6% | Youth |
| 10-14 | 20,964,018 | 6.0% | Youth |
| 15-19 | 22,672,642 | 6.5% | Young Adult |
| 20-24 | 23,525,033 | 6.7% | Young Adult |
| 25-29 | 22,818,023 | 6.5% | Working Age |
| 30-34 | 23,511,930 | 6.7% | Working Age |
| 35-39 | 24,341,983 | 7.0% | Working Age |
| 40-44 | 23,318,350 | 6.7% | Working Age |
| 45-49 | 21,926,069 | 6.3% | Working Age |
| 50-54 | 20,187,830 | 5.8% | Working Age |
| 55-59 | 20,763,712 | 5.9% | Working Age |
| 60-64 | 21,208,474 | 6.1% | Working Age |
| 65-69 | 20,338,095 | 5.8% | Senior |
| 70-74 | 17,021,723 | 4.9% | Senior |
| 75-79 | 13,150,584 | 3.8% | Senior |
| 80-84 | 8,267,916 | 2.4% | Senior |
| 85-89 | 4,395,645 | 1.3% | Senior |
| 90-94 | 1,956,212 | 0.6% | Senior |
| 95-99 | 549,502 | 0.2% | Senior |
| 100+ | 77,046 | 0.0% | Senior |
Demographic Transition Model (DTM) Stage
Stage 4 (low birth and death rates): fertility is below the replacement level of 2.1 (1.63 children per woman), and births still exceed deaths (10.5 vs 9.0 per 1,000). Read more about Stage 4 of the Demographic Transition Model.
Fertility Rate & Birth Statistics
United States Total Fertility Rate: 1.63 children per woman
Below the replacement level of 2.1
Fertility Rate Trends
Historical data (solid line) and future projections (dashed line)
Historical Fertility Trends
| Year | Total Fertility Rate | Birth Rate | Change |
|---|---|---|---|
| 2021 | 1.63 | 10.8 | |
| 2022 | 1.67 | 11.0 | ↑0.04 |
| 2023 | 1.62 | 10.6 | ↓0.05 |
| 2024 | 1.62 | 10.6 | 0.00 |
| 2025 | 1.62 | 10.6 | 0.00 |
| 2026 | 1.63 | 10.5 | ↑0.01 |
Global Context
- • World Average: 2.23 children per woman
- • Comparison: Below global average
- • UN projection for 2030: 1.63
The United States' total fertility rate is 1.63 children per woman in 2026 (below replacement), below the replacement level of 2.1. The United States ranks 127 of 194 for fertility rate (1 = highest), in the middle third of countries. The fertility rate has changed by −47.2% since 1950.
Historical Demographic Changes
Between 1950 and 2026, the United States' population has increased by 126.3%.
The median age has increased from 29.0 in 1950 to 38.7 in 2026, indicating population aging.
Understanding the United States' Demographics
The United States has a constrictive population pyramid — a base narrower than the middle, so younger cohorts are smaller than the ones above them.
Children under 15 make up 16.9% of the population and people aged 65 and over 18.8%.
The largest five-year age band is 35–39, at 7.0% of the population, compared with 5.3% in the 0–4 band.
Demographic Analysis: the United States' Population Structure
Demographic Dividend Window
The United States' working-age share peaked in 2007 at 67.7% and is 64.3% in 2026.
Fertility Transition Stage
The United States is in a period of below replacement, with a total fertility rate of 1.63 children per woman (2026, UN WPP 2024).
Population Aging Speed
The United States' median age changed by +2.2 years from 2016 to 2026, slower than the world average (+2.6 years).
Key Demographics
| Total Population | 349,035,494 |
| Male Population | 175,399,113(50.3%) |
| Female Population | 173,636,381(49.7%) |
| Median Age | 38.7 years |
| Sex Ratio | 101.0 males per 100 females |
| Youth (0-14) | 59,004,726(16.9%) |
| Working Age (15-64) | 224,274,045(64.3%) |
| Elderly (65+) | 65,756,723(18.8%) |
| Total Dependency Ratio | 55.6 |
| Youth Dependency Ratio | 26.3 |
| Old Age Dependency Ratio | 29.3 |
| Pyramid Type | Constrictive |
Dependency Ratios: Number of dependents per 100 working-age individuals.
Demographic Data Visualizations
Total population, 1950–2026 (UN WPP 2024; 2024 onward are projections).
Median age, 1950–2026 (UN WPP 2024; 2024 onward are projections).
Youth, working-age and elderly shares, 1950 vs 2026 (UN WPP 2024).
Age distribution in 2026: youth, working-age and elderly shares (UN WPP 2024; projection).
Life Expectancy in the United States
How long the average person in the United States is expected to live · sourced from UN WPP 2024
Historical Trend, 1950 → 2026 (plus UN projection to 2100)
Solid: actual · Dashed: medium-variant projectionFuture Demographic Trends
The United States is projected to grow to 380.8 million people by 2050 (+9.1% from 2026).
The median age rises from 38.7 in 2026 to 41.9 by 2050.
United States' Demographic Evolution by Decade
The population increased by 10.6%, growing from 207.8 million in 1970 to 229.9 million by 1980
The median age increased by 2.4 years, indicating population aging during this period
The youth population share contracted by 6.2 percentage points
Meanwhile, the elderly population proportion grew by 1.4 percentage points.
Key Demographic Highlights
- • Population changed from 207.8M to 229.9M
- • Growth rate of 10.6% over the decade
- • Median age shifted from 26.7 to 29.1 years (+2.4y)
- • 65+ share changed by +1.4 points; under-15 share by −6.2 points
How Does the United States Compare to Its Neighbors?
The United States has a younger population than Canada. The United States has an older population than Mexico.
Frequently Asked Questions About the United States
How does the United States rank globally by population?
The United States ranks 3rd in the world by population with 349.0 million people as of 2026, representing 4.20% of the global total of 8.30 billion.
What does the United States' age structure reveal about its development?
The United States' age structure — 16.9% under 15, 64.3% working-age (15–64) and 18.8% aged 65+ — is that of a country in Stage 4 of the demographic transition, with a constrictive population pyramid. The median age is 38.7 years.
What is the dependency ratio in the United States?
The United States has 55.6 people under 15 or aged 65+ per 100 people aged 15–64 in 2026.
Is the United States experiencing a demographic dividend?
The United States has moved past its demographic-dividend window. The United States' working-age share peaked in 2007 at 67.7% and is 64.3% in 2026. The demographic dividend occurs when falling fertility creates a bulge in the working-age population while dependency ratios stay manageable.
What are the gender dynamics in the United States' population?
The United States has more males than females, with 101.0 males per 100 females.
Compare with Other Countries
Data Sources & Methodology
All population data is sourced from the United Nations Department of Economic and Social Affairs, Population Division. The data represents UN medium-variant projections.
Cite this page: Population Pyramids. (2026). United States Population Pyramid and Demographic Analysis. Retrieved from https://www.populationpyramids.org/united-states
View UN World Population Prospects Data →