Population Trends

The most common age was 11 for Hispanics, 27 for blacks and 29 for Asians as of last July. Multiracial Americans were by far the youngest racial or ethnic group.

The population of Puerto Rico stood at 3.2 million in 2018, its lowest point since 1979 and down sharply from 2017.

Jeffrey S. Passel, senior demographer, on the research techniques used to derive the unauthorized immigrant population estimate in the U.S. and the challenges involved.

Four of the 10 most populous countries will no longer be among the top 10 in 2100 – and all four will be supplanted by rapidly growing African nations.

For the first time in modern history, the world’s population is expected to virtually stop growing by the end of this century.

More than 40 million people living in the U.S. were born in another country, accounting for about one-fifth of the world’s migrants in 2017.

Recently arrived immigrants have markedly different education, income and other characteristics from those who have been in the U.S. for longer.

Key charts and stats about immigrants in the United States from 1980 to 2017.

This statistical profile of the foreign-born population in the 50 states and the District of Columbia is based on Pew Research Center tabulations of the Census Bureau’s 2010 and 2017 American Community Survey (ACS) and the 1960-2000 decennial censuses.

As of 2017, 19% of the national immigrant population lives in the top five counties: Los Angeles County, Calif.; Miami-Dade County, Fla.; Harris County, Texas; Queens County, N.Y. and Cook County, Ill.