The chart illustrates the trend in adult mortality rates in Tigray from 1980 to 2019, showing a significant decline over time. The data shows a steady decline in adult mortality rates in Tigray from 1980 to 2019, starting at 600 deaths per 1,000 population in 1980 and gradually decreasing to 200 deaths per 1,000 population by 2019. This significant reduction highlights advancements in healthcare, improved access to medical services, and the effectiveness of public health interventions over the years, contributing to better overall population health and increased life expectancy in the region.