Table 2.

Mortality from adverse events.

Year	Reporting agency	Mortality from adverse events (measures and sources)
2015	WHO, U.S. Reports	Estimated 250,000 deaths in the U.S. due to medical errors. (Source: Makary & Daniel, 2016)
2016	WHO	Approximately 2.6 million deaths worldwide were attributed to adverse events. (Source: WHO, 2018)
2017	WHO	Approximately 2.6 million deaths worldwide were due to adverse events. (Source: WHO, 2018)
2018	WHO	Around 2.6 million deaths globally from adverse events. (Source: WHO, 2018)
2019	NHS	11,000 severe harms or deaths in the NHS system. (Source: NHS, 2019)
2020	WHO	Continued estimate of 2.6 million deaths globally. (Source: WHO, 2020)
2021	WHO	Over 2.5 million deaths globally, with an increase due to pandemic strain. (Source: WHO, 2024)
2022	WHO	2.6 million deaths globally from adverse events. (Source: WHO, 2024)
2023	WHO	Estimated 2.5-2.6 million deaths globally post-pandemic. (Source: WHO, 2024)
2024	WHO	Projected 2.6 million deaths globally unless safety measures are improved. (Source: WHO, 2024)