demographer

American  

[dih-mog-ruh-fer] / dɪˈmɒg rə fər /

Rarely demographist

noun

1. a person who specializes in the study of vital and social statistics, as the number of births, deaths, diseases, or marriages in a population.

   Some demographers project a world population of 9 billion by 2050.

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Etymology

Origin of demographer

First recorded in 1875–80; demograph(y) ( def. ) + -er ¹ ( def. )

Example Sentences

Their ranks are expected to double within two decades, says William Frey, a demographer at the Brookings Institution.

From The Wall Street Journal • Apr. 13, 2026

Oleksandr Hladun, a demographer at Ukraine's National Academy of Sciences, describes these trends as the "social catastrophe of war".

From BBC • Jan. 9, 2026

"The number of people choosing not to marry or not to have children is increasing, and fertility intentions among the younger generation are weak," He Yafu, an independent Chinese demographer, told AFP.

From Barron's • Jan. 5, 2026

Robert Warren, a demographer at the Center for Migration Studies, created hypothetical electoral maps for each census dating back to 1980 that did not count undocumented immigrants.

From Salon • Aug. 15, 2025

“Attributing deaths properly to a wildfire is just almost an impossible task,” said Andrew Stokes, an associate professor at Boston University and a mortality demographer who co-authored the research letter.

From Los Angeles Times • Aug. 6, 2025