US EditionStudy suggests women need to have this many kids to save humanity
- Researchers published on April 30, 2025, new findings showing women need at least 2.7 children each to avoid human extinction.
- The study reexamined the previous 2.1 replacement fertility rate, accounting for random variations in births, deaths, and sex ratios.
- Fertility rates in all G7 countries are significantly below 2.7, with South Korea at 0.87 and Japan at 1.30, risking population decline.
- Lead researcher Diane Cuaresma emphasized that maintaining a fertility rate above the usual replacement threshold is essential to keep the population from declining.
- The findings imply most family lineages and many languages face extinction without increased fertility, though large populations avoid immediate collapse.
98 Articles
98 Articles
Why having 2.1 kids isn't enough to prevent extinction
A new PLoS ONE study shows that to avoid extinction, small populations may need fertility rates well above the standard 2.1—especially under demographic randomness. A female-biased sex ratio reduces this threshold, offering a potential evolutionary advantage under stress.
Trump's baby bonus won't work — but we already know the real solution
People are finally noticing that there aren’t as many children as there used to be. Because demography is destiny when it comes to the future — as opposed to, say, climate science or fortune cookies — even people who don’t like children are alarmed. In case you’ve not heard, times have changed. We’ve gone from worrying about a population bomb to fretting about a population bust. The fertility rate is tanking. We know what happened — we just do…
Carman: Women are on the front lines in the manosphere’s "war for civilization"
Ladies, ladies, ladies, this is an emergency. You’re not doing your part. Our very existence as a species is threatened, and it’s all your fault. Elon Musk calls it “a war for civilization.” He says, “Humanity is dying.” JD Vance wants “more babies in America” and wants to give parents more votes than people who don’t — or can’t — have children. The Trump administration is considering creating a “National Medal of Motherhood” for moms who have s…
Jeremy Clarkson warns Christianity is ‘in danger’ as he shares alarming Islam statistic
Jeremy Clarkson has issued a sobering verdict about global declining birth rates and what it could mean for the future. The 65-year-old pulled no punches in laying out the comparisons between different parts of the world. Writing in his column for The Sun, Clarkson reacted to recent findings that the shrinking number of children being born across the world was imperilling the future of humanity. The research found that, in order to avoid extinct…
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