Global food security estimation: Refining the IFSA caloric threshold using population estimates and projections by age and sex

• The prevalence of food insecurity across the 83 countries covered by the IFSA is underestimated using a uniform 2100 calorie threshold. • The prevalence of food insecurity is 6.8 percent higher using country-specific caloric thresholds. • When agricultural employment is considered, average energy requirements increase, and the prevalence of food insecurity is 24.8 percent higher.