A university degree remains one of the strongest predictors of career prospects, but how many adults actually hold one? This gallery uses data from the OECD (the Organisation for Economic Co-operation and Development), a group of mostly high-income countries that share economic and policy statistics. In 2025, 43% of adults aged 25-64 across the OECD had completed some form of education beyond high school, including short vocational programs.
About 35% held a bachelor’s degree or higher. This gallery focuses on that measure, which combines the number of adults with bachelor’s, master’s, and doctoral or equivalent degrees. It excludes short vocational programs.
Keep reading to discover the top 30 countries with the most college and university graduates.