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Age and Sex

Understanding a population’s age and sex composition yields insights into changing phenomena and highlights future social and economic challenges.

Featured

America Counts Story

An Aging U.S. Population With Fewer Children in 2020

May 25, 2023

The age profiles of states and communities don’t always mirror the national picture.
Visualization

How Has Our Nation's Population Changed?

May 25, 2023

See how the total population and race and ethnicity groups have changed over time for the nation, states, metropolitan areas, micropolitan areas, and counties.
Publication

Age and Sex Composition: 2020

May 25, 2023

This report presents key findings from the 2020 Census on the age and sex composition of the U.S. population as well as changes between 2010 and 2020.

News

Press Release

Older Adults Outnumber Children in 11 States, Nearly Half of Counties

June 26, 2025

The U.S. population age 65 and older rose by 3.1% (to 61.2 million) while the population under age 18 decreased by 0.2% (to 73.1 million) from 2023 to 2024.
Press Release

Adultos mayores superan a niños en 11 estados y casi mitad de condados

June 26, 2025

El número de adultos mayores supera el de niños en 11 estados y en casi la mitad de los condados de los Estados Unidos.
Press Kit

Vintage 2024 Population Estimates by Age, Sex, Race, Hispanic Origin

June 26, 2025

View information on the Vintage 2024 Population Estimates by Age, Sex, Race, Hispanic Origin release.

America Counts

America Counts Story

States With High Median Ages May Not be as Uniformly Old as You Think

June 26, 2025

A state’s median age does not tell the whole story. Florida has the fifth highest median age yet also has counties younger than the national median.
America Counts Story

An Aging Nation: U.S. Median Age Surpassed 39 in 2024

June 26, 2025

Median age rose in 85% of the nation’s 387 metro areas from 2020 to 2024 and was higher than the national median of 39.1 in almost half of metro areas.
America Counts Story

Growing Share of New Fathers Take Paid Leave

May 13, 2025

A newly released Census Bureau report explores parental leave and employment patterns of first-time mothers and fathers.
America Counts Story

Gear Up for Super Bowl LIX With Fun Facts and Figures

February 06, 2025

The Kansas City Chiefs and Philadelphia Eagles face off for the second time in three years, this time in New Orleans.

Visualizations

Infographic

Women's History Month: 2025

May 01, 2025

Women-owned employer businesses in the United States.
Visualization

Veterans Day

October 16, 2024

This visualization shows the percentage of veteran population by service periods.
Visualization

Health Insurance in the United States: 2023 - Visualizations

September 10, 2024

These visualizations presents statistics on health insurance coverage in the United States.
Visualization

U.S. Marriage and Divorce Rates by State: 2012 & 2022

August 29, 2024

The national marriage rate for 2022 was 16.7 and the national divorce rate for 2022 was 7.1.

Publications

Publication

The Foreign-Born Population in the United States: 2022

April 09, 2024

This report provides an overview of the foreign-born population residing in the United States, highlighting select demographic and socioeconomic characteristics
Publication

Age and Sex Composition: 2020

May 25, 2023

This report presents key findings from the 2020 Census on the age and sex composition of the U.S. population as well as changes between 2010 and 2020.
Publication

The Older Population: 2020

May 25, 2023

This report describes the older population of the United States in 2020, with comparisons to the 2000 and 2010 Censuses.

All Subtopics Within 'Population'

Age and Sex

Focusing on a population’s age and sex composition is one of the most basic ways to understand population change over time.
Ancestry

Ancestry refers to a person’s ethnic origin or descent, "roots," or heritage, or the place of birth of the person or the person’s parents or ancestors.
Children

All Census Bureau demographic surveys collect information about children. The information collected varies.
Computer and Internet Use

The U.S. Census Bureau has been collecting data on computers and Internet use sporadically since 1984.
Foreign-Born

The foreign-born population includes anyone who is not a U.S. citizen at birth, including those who have become U.S. citizens through naturalization.
Hispanic Origin

People who identify with the terms “Hispanic” or “Latino” are those who classify themselves in one of the specific Hispanic or Latino categories.
International

The U.S. Census Bureau conducts demographic, economic, and geographic studies of other countries and strengthens statistical development around the world.
Language Use

Language use, English-speaking ability, and linguistic isolation data are collected in the ACS.
Migration/Geographic Mobility

Migration and geographic mobility both refer to the movement of people within and across boundaries, such as county or state lines.
Older Population and Aging

Detailed information and statistics on population older population and aging.
Population Estimates

Annual estimates for the U.S., states, counties, cities, etc. Components of population change (births, deaths and migration) for U.S., states and counties.
Population Projections

The Population Projections Program produces population estimates for future dates. Projections include assumptions about future births, deaths, and migration.
Race

The data on race and ethnicity were derived from answers to the question on race and ethnicity that was asked of individuals in the United States.
Racial and Ethnic Diversity

The concept of racial and ethnic diversity refers to the representation and relative size of different racial and ethnic groups within a population.
Veterans

The U.S. Census Bureau currently collects data on veterans of the Armed Forces using the ACS, CPS, and SIPP.