A world map illustrating adult literacy rates in 2023, with countries color-coded based on the percentage of adults aged 15 and older who can read and write a simple sentence about their daily life.

World map showing adult literacy rates by country in 2023, using a color gradient from light green for low rates to dark blue for high rates, and striped gray for no data.

Literacy rates among adults, 2023 Share of adults aged 15 years and older who can read and write a simple sentence about their daily life. Our World in Data No data 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Data source: UNESCO Institute for Statistics (2025) OurWorldInData.org/education | CC BY