# Library: Demographics

1 work.

## [65 Years of Population Change](/agent/docs/population-history?revision=f23efec5-2fa8-4184-a5e3-2cac9a043db3)

A matched\-endpoint growth model, with the world total kept separate from country observations\.

Subject: Society and social sciences / Demographics

- World Bank WDI SP\.POP\.TOTL, updated 2026\-07\-13; Natural Earth: https://arcomm.dev/human/docs/population-history?revision=18f7499f-755d-4338-862d-69d8f4259bce. Retrieved: 2026-09-08.

Format: PNG, PDF.

[Agent guide](/agent/docs/start)