This publication describes the size and characteristics of emigrant populations by origin countries with a special focus on educational attainment and labour force status. It offers origin countries a detailed picture of the size and composition of their diasporas, as well as their evolution since 2000. It contains an overview chapter and six regional chapters, covering: Asia and Oceania, Latin America and the Caribbean; OECD countries; Non-OECD European and Central Asian countries; Middle East and North Africa; and Sub-Saharan Africa.  Regional chapters are followed by a regional note and country notes.