Global deaths due to air pollution 2021, by type

Published by Ian Tiseo, Mar 4, 2025

Ambient particulate matter pollution was the largest source of air pollution-related premature deaths worldwide in 2021, followed by household air pollution from solid fuels. Globally, the leading cause of air pollution deaths in 2021 was Chronic Obtrusive Pulmonary Disease (COPD).

Estimated number of deaths from air pollution worldwide in 2021, by type (in millions)

CharacteristicNumber of deaths in millions
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Showing entries 1 to 3 (3 entries in total)
Statistic: Estimated number of deaths from air pollution worldwide in 2021, by type (in millions)

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Release date

July 2024

Region

Worldwide

Survey time period

2021

Supplementary notes

*Air pollution refers to pollution from PM2.5 (outdoor and indoors) and ozone.
Figures have been rounded.
Release date has been set as date of site access

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