This publication uses data from the World Bank s Skills Towards Employability and Productivity (STEP) Household Skills Survey to explore patterns of educational mismatch in 12 developing countries. The term 'mismatch' is used to describe scenarios in which workers are either over-skilled/over-educated or under-skilled/under-educated for their jobs. Most of the literature on mismatch focuses on higher-income countries and rates of over-education among tertiary graduates. This publication seeks to expand on that past research by employing data from the World Bank s STEP Skills Survey which...