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Real reasons birth rates are crashing worldwide

Source: newscientist.com

TL;DR

Birth rates are plummeting worldwide, falling below replacement levels in most countries for the first time in history.
Two-child average now rules globally, down from higher rates decades ago.
Economic pressures, women's empowerment, and access to contraception drive the drop more than environmental fears.
Low fertility threatens economies with ageing populations and shrinking workforces.

The story at a glance

Global fertility rates have crashed to unprecedented lows, sparking debates on why people are having fewer children amid economic booms. New Scientist reports this as countries scramble to understand the shift, with fresh data revealing counterintuitive drivers.

Key moments & milestones

1950s: Post-war baby boom peaks with high fertility worldwide.
1960s-70s: Contraceptive pill spreads, kicking off steady declines in Europe and North America.
1990s: China's one-child policy accelerates fall to 1.2 births per woman.
2000s: Declines hit Asia and Latin America, with South Korea at 0.7 by 2023.
2023: UN data shows 97% of countries below replacement level of 2.1.

Signature highlights

Women with education and careers prioritise independence: in Italy, educated women have 1.2 children versus 2 for the least educated.
Urban living and high housing costs deter families: Australian women cite finances as top reason for delaying kids.
No link to climate anxiety; instead, contraception access slashed teen pregnancies from 20% (1970s) to under 5% today.
Projections warn of 63% global population drop by 2300 without policy shifts.

Why it matters

Plummeting birth rates risk economic stagnation as workforces shrink and pension systems strain under ageing populations. Governments are testing incentives like childcare subsidies and immigration boosts, but cultural shifts may prove harder to reverse. Watch South Korea and Italy for pilot policies that could stabilise rates - or signal a new era of managed decline.