Population & Society
Age structure, births and deaths, immigration, households, religion, language and wellbeing.
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Real Time Births and Deaths Worldwide
Births and deaths around the world as a clock runs, one figure per person: about two born for every one who dies.
Updated 2025 -
Half of US Babies Share These Names, 1880–2025
The fewest first names that cover half of US babies each year, from 45 in 1880 to 410 in 2025, as a mosaic of name tiles that glide into place.
Updated 2025 -
US Population Growth by State, 1930–2025
Every state's population growth, ranked each year from 1930 to 2025 — the fastest in mint, the slowest in coral — above a bar of the nation's growth.
Updated 2025 -
America's Population Mid-Line, 1790–2020
The line with half of Americans on each side, at every census since 1790 — from just east of Baltimore into southwest Indiana — as the average center runs off toward Missouri.
Updated 2020 -
The Center of America's Ten Biggest Cities, 1790–2020
The average location of America's ten most populous cities at each census, from off the New Jersey shore in 1790 to western Oklahoma in 2020.
Updated 2020 -
Immigrants and Emigrants: US, Russia and Ukraine, 1990–2024
People born abroad living in the US, Russia and Ukraine against people born there living abroad, drawn as crowds on a balance, 1990 to 2024.
Updated 2024 -
Immigrants and Emigrants: US, Germany and Poland, 1990–2024
People born abroad living in the US, Germany and Poland against people born there living abroad, drawn as crowds on a balance, 1990 to 2024.
Updated 2024 -
Immigrants and Emigrants: US, UAE and the Philippines, 1990–2024
People born abroad living in the US, the UAE and the Philippines against people born there living abroad, drawn as crowds on a balance, 1990 to 2024.
Updated 2024 -
Immigrants and Emigrants: US, India and China, 1990–2024
People born abroad living in the US, India and China against people born there living abroad, drawn as crowds on a balance, 1990 to 2024.
Updated 2024 -
Immigrants and Emigrants: US, Mexico and Ireland, 1990–2024
People born abroad living in the US, Mexico and Ireland against people born there living abroad, drawn as crowds on a balance, 1990 to 2024.
Updated 2024 -
US, Russia, Iran Population Trends, 1950–2100
The population pyramids of the United States, Russia and Iran side by side — each age group's share by sex, year by year from 1950, with the UN's projection to 2100.
Updated 2100 (estimates to 2023) -
US, Niger, South Korea Population Trends, 1950–2100
The population pyramids of the United States, Niger and South Korea side by side — each age group's share by sex, year by year from 1950, with the UN's projection to 2100.
Updated 2100 (estimates to 2023) -
US, China, Japan Population Trends, 1950–2100
The population pyramids of the United States, China and Japan side by side — each age group's share by sex, year by year from 1950, with the UN's projection to 2100.
Updated 2100 (estimates to 2023) -
Where America's Immigrants Came From, 1820–2019
Where America's immigrants came from as a rising tide — Europe, Canada, Mexico, Latin America, Asia and the rest, stacked by decade since the 1820s.
Updated the 2010s