Contains enrollments at all education levels (primary, secondary, and tertiary) for a sample of 89 countries from 1820 to 2010 at 5-year intervals. Contains estimated educational attainment for the total, female and male populations from 1870 to 2010. The estimates are available in 5-year intervals for 89 countries. Contains projections of educational attainment for the total, female and male populations from 2015 to 2040. The estimates are available in 5-year intervals for 146 countries. Can also be found in an easy to use interface from the World Bank which also contains the supplement from IIASA/VID which provides projections to 2050.