Which Countries Have 100% Adult Literacy Rates?

According to UNESCO's Institute for Statistics as well as the World Bank, dozens of countries and territories have adult literacy rates at approximately 100%. Central Asia is a notable region with proper educational instruction — allowing for adults to have high levels of education and reading capabilities. Parts of Europe, North America, and Oceania are also known for high literacy rates.

The original data is incomplete, not showing data for various places with high literacy — rates of which are likely at or near 100% — such as Andorra, Australia, Austria, the Bahamas, Belgium, Bermuda, Canada, Denmark, Fiji, Finland, France, Germany, Japan, Liechtenstein, Luxembourg, Micronesia, Monaco, Netherlands, New Zealand, Norway, Slovakia, Sweden, Switzerland, Turks and Caicos, Tuvalu, United Kingdom, United States, etc. Places having 100% literacy rate data are listed and include the most recent year of data:

— Armenia, 2020
— Azerbaijan, 2023
— Barbados, 2016
— Belarus, 2019
— Cuba, 2012
— Estonia, 2011
— Georgia, 2022
— Guam, 2000
— Kazakhstan, 2009
— Kyrgyzstan, 2022
— Latvia, 2021
— Lithuania, 2021
— Moldova, 2021
— Poland, 2021
— Russia, 2021
— San Marino, 2022
— Slovenia, 2001
— Tajikistan, 2010
— Ukraine, 2021

— Honorable mentions: China, Japan, and South Korea have 100% youth literacy rates, while adult literacy is very close behind at 97% to 99%.