People & Society statistics
Households, population, education, and how society changes.
5 articles
People & Society
College Enrollment Statistics: The Fall 2023 Rebound
Compare enrollment growth across institution types and understand why fall headcounts differ from annual enrollment.
476,522Data: Fall 2022–fall 2023
People & Society
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.
39.4 yearsData: 2025; historical median comparison from 2001
People & Society
Marriage Statistics: Households and First-Marriage Age
Compare the married-couple share of households and median age at first marriage across half a century.
47%Data: 1975 and 2025
People & Society
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.
2.53 peopleData: 2020–2024
People & Society
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.
39.7 millionData: 1975 and 2025