United States of America Population Pyramid 1980
United States of America in 1980
The population of the United States of America in 1980 was 229,858,655. A decade earlier, in 1970, the population was 207,796,339; it has grown by 10.6% since. The median age was 30.1 years, and for every 100 people of working age (15–64) there were 33.7 children under 15 and 16.6 people aged 65 or over. This is a constrictive pyramid — its base is narrower than its middle, the signature of sustained low birth rates and population ageing.
The bulge of cohorts born between 1946 and 1964 — the post-war baby boom — is the defining feature of the United States pyramid, visible as it moves up the age scale over the decades.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.





