Some 842 million people, or roughly one in eight, suffered from chronic hunger in 2011-13, not getting enough food to lead active and healthy lives according to a report released by the UN food agencies. The number is down from 868 million reported for the 2010-12 period, according to the State of Food Insecurity in the World (SOFI 2013), published every year by the Food and Agriculture Organization (FAO), the International Fund for Agricultural Development (IFAD) and the World Food Programme (WFP). The vast majority of hungry people live in developing regions, while 15.7 million live in developed countries. Despite the progress made worldwide, marked differences in hunger reduction persist. Sub-Saharan Africa has made only modest progress in recent years and remains the region with the highest prevalence of undernourishment, with one in four people (24.8%) estimated to be hungry.