ICP 2011 food price data are used to estimate the cost of the diet. Costs in local currency units are converted to PPP-based costs using the PPP for the expenditure component “Households and Nonprofit Institutions Serving Households (NPISHs) Final Consumption Expenditure”. World Bank income groups are as at FY13. The cost of nutrient adequacy is defined as the minimum cost of foods that meet all known requirements for essential nutrients and dietary energy requirements for a woman of reproductive age. The cost of caloric adequacy is defined as the price of the least-cost foods that are required to meet their caloric needs. Cost per day in PPP dollars are population-weighted means.