iPhone Births Decline: New Study Links Tech to Fertility

New research suggests that the introduction of the iPhone may be a significant factor in the plummeting birth rate observed in the United States. A working paper from Middlebury College economists posits that smartphones could be responsible for between 33% and 52% of the decline in fertility rates among women aged 15-44. The study examined iPhone usage between 2007 and 2011, noting cohort effects that suppressed births among younger women while potentially increasing them for older women.

The research aligns with previous data indicating a link between smartphone creation and declining birth rates. Since the iPhone's introduction in January 2007, U.S. birth rates for women aged 15-44 have fallen by 23% as of 2025. The study theorizes that smartphones lead to fewer in-person interactions, reduced sexual activity, and increased pornography use.

However, researchers acknowledge that smartphones are not the sole cause. Financial burdens associated with raising children are a major deterrent for 61% of millennials and Gen Z. Additionally, a growing trend shows women are choosing to have children later in life, with a notable increase in first-time mothers aged 30-34 and those 35 and older.