People & Society statistics
Households, population, education, and how society changes.
9 articles
Age at first marriage over time statistics
In 2025, the estimated median age at first marriage was 30.8 for men and 28.4 for women, up from 1975.
Older householders statistics
The share of U.S. householders age 65 and older rose from 1 in 5 in 1975 to over 1 in 4 in 2025.
Households with children statistics
In 2025, about 37% of married-couple households included their own children under 18, down from 54% in 1975.
Young Adults Living With Parents: U.S. Statistics
Living with parents differs sharply between younger and older young adults. Compare the Census estimates and their definitions.
College Enrollment Statistics: The Fall 2023 Rebound
Compare enrollment growth across institution types and understand why fall headcounts differ from annual enrollment.
U.S. Population by Age: Children and Older Adults
Compare the population's median age and the shares of children and older adults, keeping overlapping age categories separate.
Marriage Statistics: Households and First-Marriage Age
Compare the married-couple share of households and median age at first marriage across half a century.
Average Household Size in the United States
The national household average is 2.53 people. Learn why household size, family size, and population per housing unit differ.
Living Alone Statistics: One-Person Households
One-person households account for a growing share of U.S. households. See the change and what it does—and does not—measure.