The US Is Flirting With Its First-Ever Population Decline - https://news.ycombinator.com/item?id=46960624 - February 2026 (1008 comments)

The nuance is ~71% of the world’s population now lives in countries with birth rates below the replacement level needed to maintain population size. US working age population cohort has likely peaked. The future of the developed world is fighting over global skilled workers and young potential immigrants who would settle and start families in your jurisdiction.

Is the U.S. Labor Force Nearing Its Peak? - https://news.ycombinator.com/item?id=48726615 - June 2026

The Fertility Rate of Every Country in the World - https://www.visualcapitalist.com/fertility-rate-of-world-pop... - May 17th, 2026

U.S. Total Fertility Rate by State 2007 vs 2025 - https://old.reddit.com/r/dataisbeautiful/comments/1qt22ka/oc... - February 2026

The demographic future of humanity: facts and consequences [pdf] - https://news.ycombinator.com/item?id=44866621 - August 2025 (400 comments)

Our World In Data: Population tool: How will populations across the world change in the 21st century? - https://ourworldindata.org/population-simulation-tool

("demography is destiny")