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To investigate the sex differences in disability-adjusted life years (DALYs) due to ischemic stroke (IS) by year, location and age. We extracted sex-specific data on DALYs number, age-standardized DALYs rate (ASDR) and all-age DALYs rate of IS by year, location and age from the Global Burden of Diseases study 2019. The estimated annual percentage changes (EAPC) were calculated to evaluate the temporal trend of ASDR. For both sexes, although the ASDR of IS slightly decreased from 1990 to 2019, there has been an 60.3% increase in DALYs number worldwide. Sex difference in DALYs number (men minus women) decreased from − 2.83 million in 1990 to 0.14 million in 2019, while the men to women's ASDR ratio slightly increased from 1.10 in 1990 to 1.21 in 2019. The sex differences in IS DALYs showed remarkable regional variation. The largest sex differences in DALYs number and ASDR were in China and Vietnam. Middle-aged men had a higher IS DALYs than their age-matched counterparts. High systolic blood pressure accounted for the highest DALYs number in 2019, but the top three attributable risk factors that had the greatest sex differences were tobacco, dietary risk, and alcohol use. Sex differences in IS DALYs varied by year, location and age, mostly attributed to the disproportion of cardiovascular risk factors between sexes. Considering the population growth and aging, it is necessary to monitor the sex difference in IS DALYs in different populations and thus provide evidence for local administration to improve current preventive and management strategies of IS. [ABSTRACT FROM AUTHOR]