Global Fertility Rates Have Failed to Rebound
A new working paper suggests current demographic trends show no signs of a sustained recovery.
Updated on Sept. 29, 2026 in Pregnancy
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Researchers have found that global fertility rates show no consistent evidence of rebounding to previous equilibrium points. The study analyzed long-term data from countries including the U.S., Japan, and India.
Why it matters
The findings challenge existing demographic assumptions that birth rates would eventually recover from significant declines. This shift suggests that current population projections may need adjustments to account for prolonged lower growth.
U.S. births have dropped by nearly 25 percent since 2007, with deaths now outpacing births in over half of the states. Projections indicate that older adults will account for 23.4 percent of the U.S. population by 2060.
The players
University of Texas at Austin
This public research university was one of the lead institutions involved in the fertility trend study.
Hunter College
A constituent college of the City University of New York that co-authored the working paper on population trends.
National Bureau of Economic Research
This private non-profit organization is dedicated to conducting and disseminating economic research.
The details
Researchers from the University of Texas at Austin and Hunter College examined United Nations fertility rates and the Human Fertility Database to compare actual trends against historical rebound models. The analysis highlights that without significant changes, such as increased immigration, population growth will likely remain historically slow.
Timeline
2007: Birth rates in the U.S. began a decline that has continued for nearly two decades.
July 2024-2025: U.S. population growth reached 0.5 percent.
September 2026: Researchers published the new working paper regarding fertility trends.
2060: Older adults are expected to comprise 23.4 percent of the U.S. population.
Culture Shift
This study updates the data used by the National Bureau of Economic Research working paper series to analyze long-term population cycles. It marks a departure from earlier literature that suggested fertility reversals were inevitable in developed nations.
The potential for shrinking populations and an aging demographic may influence long-term local planning regarding social services and workforce availability. Families may need to account for these shifts when considering the future sustainability of local community resources.
The takeaway
The research suggests that societies should prepare for a future defined by slower population growth and a higher proportion of older individuals. Policymakers and families alike should consider how these long-term demographic shifts might impact everything from pension funding to local services.
Further reading
For more information on the factors influencing global demographic changes, visit the Pregnancy section.
Source note: This article includes information reported by The Independent.
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