Definition: Food Insecurity Experience Scale (FIES)
FAO Agricultural censuses
Scale designed to yield a quantitative measure of the severity of a household’s food insecurity condition, the latter intended as a description of the combined effect of the resource constraints people face when accessing food.
Food and Agriculture Organization of the United Nations (FAO), "World Programme for the Census of Agriculture 2020. Volume 1: Programme, concepts and definitions", Roma, 2015