 In 1977 Maore expelled peasants from Ngazidja and Nzwani who had recently settled in large numbers on the island.Some were allowed to reenter starting in 1981 but solely as migrant labor.The number of Comorians living abroad has been estimated at between 80,000 and 100,000; during the colonial period, most of them lived in Tanzania, Madagascar, and other parts of Southeast Africa.