Excess Mortality and Containment Performance During the COVID-19 Pandemic: Evidence From 34 Countries

Objectives. To expand COVID-19 containment indicators to evaluate the relationship between excess mortality and government response. Methods. We developed a longitudinal study analyzing excess mortality, COVID-19 containment, and structural conditions in 34 countries between 2020 and 2022. Results. The average excess mortality ratios of the 34 countries were 1.09, 1.14, and 1.11 in 2020, 2021, and 2022, respectively. Thirteen countries experienced continuous annual rises, wh