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Studies link smartphones to drop in birth rates

Researchers said smartphone spread cut teen births by reducing in-person contact, with U.S. births among girls ages 15 to 19 down 71% since 2007.

  • Two academic studies reveal a link between smartphone adoption and plunging birth rates, providing the first rigorous, data-driven evidence for a theory that demographers and economists have suspected for years.
  • The first study, published by the National Bureau of Economic Research, focuses on the early iPhone rollout, concluding that the spotty, staggered introduction of Apple’s device accounted for up to half of the total U.S. fertility decline observed between 2007 and 2011.
  • A second global study tracked smartphone and 4G network penetration across 128 countries, finding that teenage and young adult birth rates plummeted drastically in nations as diverse as Turkey, Mexico, Iran, and Chile the exact moment high-speed mobile internet became a mass phenomenon.
  • Smartphone-Usage reduces in-person social interactions while increasing access to pornography and information about contraception, collectively contributing to declining fertility.
  • Skeptics and cautious economists urge nuance, warning against blaming technology alone, arguing that smartphones operate alongside heavy compounding factors like skyrocketing housing costs, systemic economic stagnation, and the fact that birth rates have been gradually declining in developed nations for over a century.
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The introduction of the iPhone, considered the first modern smartphone, contributed to reducing fertility rates in the United States since 2007. This is determined by a study published by the National Bureau of Economic Research (NBER) this month.

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https://mandiner.hu/ broke the news on Tuesday, June 2, 2026.
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