A choropleth map illustrating the global prevalence of asthma in 2023, with countries colored according to the percentage of their population affected.

A world map displaying asthma prevalence by country, using a color scale from yellow (low) to dark red (high).

Prevalence of asthma, 2023 The share of the population with asthma. Prevalence is age-standardized so accounts for changes in the age structure of a population over time and between countries. Our World in Data No data 0% 2% 4% 6% 8% 10% Data source: IHME, Global Burden of Disease (2025) OurWorldInData.org/burden-of-disease | CC BY