The launch of Apple Inc (NASDAQ:AAPL) iPhone may have contributed significantly to America's declining birth rate, according to a new working paper published earlier this month by the National Bureau of Economic Research (NBER).
The study found that smartphone adoption may explain a meaningful share of the sharp drop in U.S. fertility over the past two decades.
Researchers analyzed birth trends following the iPhone's launch in June 2007, when AT&T Inc (NYSE:T) held exclusive U.S. distribution rights until February 2011. That exclusivity allowed economists to compare areas with early iPhone access against regions with limited access, creating what they described as a natural experiment.
The findings were notable. In the first four years after the iPhone's release, regions with greater access to the device saw birth rates fall 4.5% to 8% more among ages 15 to 19 and 3.2% to 6.6% more among ages 20 to 24. The decline was steepest among younger Americans but appeared across every age group.
Even after adjusting for factors such as housing prices and urbanization, researchers still found a strong relationship between higher iPhone adoption and lower fertility.
Study coauthor Caitlin K. Myers told Fortune that births fell much faster in places where consumers could access the iPhone earlier.
"We had a baby-less recovery," Myers said, referring to the years after the 2008 financial crisis. "The economy recovered, and births didn't."
Digital Isolation And Economic Pressure
The researchers said the trend may reflect broader behavioral shifts tied to smartphone use, including less in-person social interaction, reduced relationship formation and rising digital dependence.
Myers told Fortune she worries the decline could reflect a deeper social issue.
"I see these declines in births, and I'm wondering, like, are we okay?" she said. "People in their twenties, and more broadly, if the reason we're seeing this decline is because people are all depressed and alone and doom scrolling, I'm worried about us."
The concerns align with broader warnings about social disconnection in the digital era. Emma Grede, co-founder of Skims, recently warned that declining in-person interaction is contributing to a "loneliness epidemic," alongside falling marriage and birth rates.
Economic pressures may also be playing a major role. U.S. birth rates have fallen roughly 30% since before the 2008 financial crisis, even as financial markets climbed to near-record highs. Some analysts argue rising asset prices, housing costs and childcare expenses have widened the gap between wealth owners and younger households trying to build families.
Why It Matters
Falling fertility carries long-term economic consequences. A lower birth rate can shrink the future labor force, weaken consumer spending and leave fewer workers supporting a growing retiree population, increasing pressure on programs such as Social Security and Medicare.
The latest annual report from the Social Security Board of Trustees, released in June 2026, lowered its long-term U.S. fertility assumption to 1.75 births per woman, down from 1.9 previously.
Myers said more research is needed before drawing sweeping conclusions, but she believes the findings raise important questions about how technology may be reshaping social connection, family formation and long-term economic health.
Disclaimer: This content was partially produced with the help of AI tools and was reviewed and published by Benzinga editors.
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