A world map showing the share of deaths from secondhand smoke in 2023, with data from Our World in Data. Countries are shaded from light orange to dark red, indicating increasing percentages.

A choropleth map of the world displaying data on deaths from secondhand smoke in 2023. Countries with higher percentages are colored darker red, while those with lower percentages are lighter orange. A legend at the bottom shows the scale from 0% to 4%.

Share of deaths from secondhand smoke, 2023 Estimated share of total deaths from any cause, where secondhand smoke was an attributed risk factor. Our World in Data No data 0% 0.5% 1% 1.5% 2% 2.5% 3% 3.5% 4% Data source: IHME, Global Burden of Disease (2025) OurWorldInData.org/smoking | CC BY