The State of Food Insecurity (SOFI) in the World 2015

FAO lists the key factors for achieving food security and nutrition including: agricultural productivity growth, economic growth, markets, and social protection. Examining undernourishment and the prevalence of underweight children under five years of age, the SOFI report measures progress toward Millennium Development Goal (MDG) One and World Food Summit hunger targets and suggests policy interventions. 

Food and Agriculture Organization of the United Nations (FAO), May 2015