In This Issue: Two new studies have linked smartphones to plunging birthrates. In the U.S., the iPhone rollout in 2007 coincided with falling fertility rates, and counties with early AT&T coverage saw the sharpest declines. The most pronounced effects were among those ages 15 to 24, accounting for as much as half of the 2007–2011 drop. The post PRI Insider (Volume 6, Issue 24) June 12 appeared first on Population Research Institute .