The updated Food Sustainability Index released by the Economist Intelligence Unit and the Barilla Center for Food & Nutrition Foundation ranks France as the country with the most sustainable food system for the second year running, out of 67 nations rated. The Food Sustainability Index is a quantitative and qualitative benchmarking model constructed from 38 indicators and 90 individual metrics that measure the sustainability of food systems across three categories: Food Loss and Waste, Sustainable Agriculture, and Nutritional Challenges. The index has three key types of performance indicators: environmental, societal, and economic. France was recognized for tackling food waste, promoting healthy lifestyles, and adopting eco-farming. The United States scored 26th, due in part to poor diets and high levels of obesity.