The decline in birth rates, particularly among young people, has been linked to the rise of smartphones, especially since the iPhone's launch in 2007. Two recent studies provide evidence suggesting that smartphones may have contributed significantly to this trend. The first study, led by Caitlin Myers at Middlebury College, utilized the uneven rollout of the iPhone to compare fertility rates in U.S. counties with varying AT&T coverage. It found that the iPhone may have caused up to half of the fertility decline from 2007 to 2011, particularly affecting those aged 15 to 24. The second study analyzed data from 128 countries and concluded that teenage fertility rates dropped as smartphones became widely available, indicating a global phenomenon linked to technology. While some experts find the results compelling, others express caution, noting that birth rates had already been declining prior to the smartphone era. Overall, these findings suggest that smartphones may influence social behaviors and access to information regarding sexual health and contraception.