This document discusses methods for assessing the nutritional status of communities, including anthropometric measurements, clinical examinations, biochemical testing, repeated surveys, growth monitoring, sentinel site surveillance, and school census data. It emphasizes the importance of analyzing the underlying causes of malnutrition by combining nutritional status data with information on food access, health, and care practices through participatory appraisals and problem tree analysis. Integrating multi-sectoral information through tools like Nutrition Country Profiles and Nutrition Information in Crisis Situations reports allows for more appropriate responses to nutritional problems.