This article deals with the relationship between the changes in the form of the South African state and the concomitant changes in the ways in which the state has constructed South African national identity on the one hand, and changes in the immigration regime and patterns of migration on the other. It starts by providing an overview of changes in igration and migration patterns in South Africa since the formation of the Union in 1910, placing them in historical context. It then examines postapartheid changes in legislation, practice and migration patterns. It also briefly explores the rise of xenophobia since 1994. In conclusion, changes in Regulating Migration and Immigration in Post-Apartheid South Africa the immigration regime, patterns of migration and the rise of xenophobia are explored in the context of the post-1994 nation-building project of the South African post-apartheid state.