Rates of heart disease, cancer, diabetes, and other noncommunicable diseases (NCDs) in low- and middle-income countries are increasing faster, in younger people, and with worse outcomes than in wealthier countries. In 2013 alone, NCDs killed eight million people before their sixtieth birthdays in developing countries. A new CFR-sponsored Independent Task Force report and accompanying interactive look at the factors behind this epidemic and the ways the United States can best fight it.