Which country has the highest adult literacy rate?

Georgia has the highest adult literacy rate at 99.68% as of 2024.

Which country has the lowest adult literacy rate?

Nigeria has the lowest adult literacy rate at 70.41% as of 2024.

The global average for adult literacy rate is 92.82% as of 2024.

2012

Which country has the highest adult literacy rate?: Georgia has the highest adult literacy rate at 99.68% as of 2024.
Which country has the lowest adult literacy rate?: Nigeria has the lowest adult literacy rate at 70.41% as of 2024.
What is the global average for adult literacy rate?: The global average for adult literacy rate is 92.82% as of 2024.

Year	Adult Literacy Rate	Youth Literacy Rate
2012	—	99.98%

Source: UNESCO Institute for Statistics · Updated May 2026