The Global Hunger Index (GHI) used to track hunger globally and nationally. The index score comprises of four key hunger indicators: prevalence of undernourishment in the total population; childhood wasting; childhood stunting; and child mortality. This calculation results in GHI scores on a 100-point scale where 0 is the best score (no hunger) and 100 the worst. A score >=50 is defined as 'extremely alarming'; 35-50 as 'alarming'; 20-35 as 'serious'; 10-20 as 'moderate' and <10 as 'low'.
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