A 63 % of Swedes between ages 25-64 have completed compulsory education .
In 2008 , statistics showed that of all Swedes aged 25–64 , 15 % have completed only compulsory education ( as the highest level of attainment ) , 46 % only upper secondary education , 14 % only post-secondary education of less than three years , and 22 % post-secondary education of three years or more .