What was the final death toll of WWI?

The final death toll of World War I is estimated to be around 16 million people, which includes both military personnel and civilians. Approximately 9 million soldiers died as a result of combat, injuries, or disease, while civilian casualties were largely due to military action, starvation, and disease. The war also caused significant long-term impacts on populations and societies, contributing to further conflicts and political changes in the years that followed.