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People Statistics · Country estimate

Median age in United States

2021 – 2024 · 4 data points Updated Oct 21, 2026

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2021 – 2024

Median age, 2021 – 2024 years · United States · World
United States World

Sources: U.S. Census Bureau, American Community Survey 5-year estimates · United Nations, World Population Prospects, 2021 – 2024

Compared with Median age · years
United States
38.9
World
30.4 · 2023

Sources: U.S. Census Bureau, American Community Survey 5-year estimates · United Nations, World Population Prospects

The series at a glance United States · 2021 – 2024
Latest value 38.9 · 2024
First value 38.4 · 2021
Highest 38.9 · 2024
Lowest 38.4 · 2021
Data points 4

By year

All years · 2021 – 2024

YearUnited States±Change World
2024estimate 38.9 0.1 +0.2 —
2023estimate 38.7 0.1 +0.2 30.4
2022estimate 38.5 0.1 +0.1 30.1
2021estimate 38.4 0.1 29.8

Sources: U.S. Census Bureau, American Community Survey 5-year estimates · United Nations, World Population Prospects, 2021 – 2024

What it means

The age that splits residents into two equal halves — a quick read on whether a place is young or ageing.

How it is calculated

Half the residents are younger and half are older than this age, from census or population estimates by age.