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About 2.7 billion people worldwide are exposed to secondhand smokePhoto by ornanvelazquez on Pexels
Science

About 2.7 billion people worldwide are exposed to secondhand smoke

Now8 September 2026 at 00:44

About 2.7 billion people worldwide are exposed to secondhand smoke, being exposed to tobacco smoke without being direct consumers. It is estimated that this exposure to secondhand smoke resulted in 1.66 million premature deaths. This number is part of a total of 8 million deaths attributable to tobacco recorded in 2023. The data highlights the significant impact of secondhand smoke on public health globally.

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