According to a 2019 report by the OECD, Canada is one of the most educated countries in the world; the country ranks first worldwide in the number of adults having tertiary education, with over 56 percent of Canadian adults having attained at least an undergraduate college or university degree. Canada spends about 5.3 percent of its GDP on education. The country invests heavily in tertiary education (more than US$20,000 per student). , 89 percent of adults aged 25 to 64 have earned the equivalent of a high-school degree, compared to an OECD average of 75 percent.