Improving diets through food systems in low- and middle-income countries: Metrics for analysis

Taking a food systems approach is a promising strategy for improving diets. Implementing such an approach would require the use of a comprehensive set of metrics to characterize food systems, set meaningful goals, track food systems performance, and evaluate the impacts of food systems interventions. Food systems metrics are also useful to structure debates and communicate to policy makers and the general public. This paper provides an updated analytical framework of food systems and uses this to systematically identify relevant metrics and indicators based on data availability in low- and middle-income countries (LMICs). The list of indicators partly overlaps with the Sustainable Development Goals (SDG) indicators, but these do not cover all aspects of the food system. We conclude that public data are relatively available on food systems drivers and outcomes, and on some, but not all, of the activities. With only minor additional investments, existing surveys could be extended to cover a large part of the required additional data. For some indicators, targeted data collection efforts are needed. Because of the overlap with the SDG indicators, part of the collected data could serve not only to describe and monitor food systems, but to track progress towards attaining the SDGs.Non-PRIFPRI1; 2 Promoting Healthy Diets and Nutrition for all; CRP4; UNFSSMTID; A4NHCGIAR Research Program on Agriculture for Nutrition and Health (A4NH