Birth rates are falling worldwide, reshaping societies and communities. The United Nations reported that the global fertility rate in 2021 averaged 2.3 births per woman, compared to 5 births in the 1950s. Countries such as South Korea (0.7 per woman), Japan (1.2), and the United States (1.6) have reached record lows. This decline is not an isolated incident but rather part of a global transformation caused by systemic issues such as high living costs, gender inequality, and restrictive government policies.
Fertility rates by country
Credit: Korakys, CC BY-SA 4.0, via Wikimedia Commons
Material Conditions Not Conducive to Building Families
The reality for many families is that they simply cannot afford to have children. From 2000 to 2020, 90% of Americans experienced housing prices increasing faster than their incomes. Women are disproportionately affected and are choosing to forgo having children as they face both gendered income gaps and the expectation that they shoulder household and caregiving labor with little to no support. One might expect that increasing gender equality would then lead to an increase in fertility, but that doesn’t seem to be the case.
Government policies also play a major role in shaping birth rates, sometimes with harmful outcomes. In parts of the United States, recent abortion restrictions following the overturning of Roe V. Wade have led to a slight rise in fertility rates in certain populations. However, it has also contributed to increased infant and pregnancy-related mortality, especially among Black Americans. China’s now-defunct One-Child Policy resulted in a severe demographic imbalance, with an estimated 30 million more men than women. In managing these demographic time bombs, societies are learning that limiting reproductive rights and enforcing population controls will have lasting consequences.
Fewer Births, Increased Senior Populations
Many countries are experiencing rapidly aging populations. Japan currently has the world’s oldest population, with 30% over 65, but South Korea is projected to reach 50% by 2070 if current trends continue. As populations age and fewer young workers enter the workforce, an imbalance forms between those who rely on public services and those who fund them, putting pressure on social systems. Rising pension and healthcare costs with fewer taxpayers could slow economic growth and destabilize economies worldwide.
Younger Generations Increasingly Child-free
Declining birth rates also reflect shifting attitudes about parenthood and desires around whether to have children at all. In the United States, 47% of adults say they are unlikely to have children, a 10% increase since 2018. Japan is split nearly even, with 37% claiming a desire to have children and 36% claiming no desire. South Korea’s division is more stark, with a larger population of 39% saying they do not plan to have children compared to 31% intending to do so.
These shifting attitudes reflect broader systemic challenges. The global decline in birth rates is not simply a matter of personal choice but the result of deeper systemic issues such as rising living costs, gender inequality, restrictive policies, and concerns about safety and the future. As populations age and workforces shrink, societies face growing economic and social pressures. Addressing this challenge will require long-term solutions that support families, promote equality, and make raising children more affordable and secure.
This article was written by a guest contributor, E. Takamura.
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