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  • Glossary item | Last updated: 03 Feb 2021

Disability - Adjusted Life Year

One DALY (Disability-Adjusted Life Year) can be thought of as one lost year of "healthy" life. DALYs for a disease or health condition are calculated as the sum of the Years of Life Lost due to premature mortality in the population and the Years Lost due to Disability for people living with the health condition or its consequences.