PEPFAR has saved more than 25 million lives and provides funding for AIDS treatment and education programs across Africa and into Asia and the Americas. But the President’s Emergency Plan for AIDS Relief faces new uncertainty in terms of long-term financial support. Traditionally funded for five...

The world is facing a low-fertility future. By 2050, more than three-quarters of countries will not have fertility rates high enough to sustain population size over time. The latest Global Burden of Disease Study (GBD) looks at past and future trends, which have major implications for societies...