Internal migration, group size, and ethnic endogamy in Indonesia

Abstract

Much of the literature on assortative mating has centred on the social contexts of immigrant‐receiving countries in the West. This article examines ethnic assortative mating (endogamy) against rising volumes and intensity of migration within a multi‐ethnic lower middle‐income country. We used full enumeration data from the 2010 Indonesian Population Census to create a national dataset of husband–wife pairs (n = 47.8 million couples), and five subsets of married couples from provinces with the highest proportion of lifetime migrants: Riau, Riau Islands, Jakarta, East Kalimantan, and West Papua (n = 4.05 million). First, we examined the association between migration, group size, and endogamy a..