15.4 per cent of the total of children under 20 with at least one immigrant parent in Île-de-France. Expatriates As of 2005 many expatriates settle in the western portion of Paris. Western Paris is in close proximity to many international schools and the La Défense area. Ethnic groups Africans As of 2012 tens of thousands of people of African origins live in Paris. This group includes those born in France who had African parents and naturalized French citizens born in Africa. The majority come from the Maghreb, including Algeria, Morocco, and Tunisia. Other countries with populations in Paris include Burkina Faso, the Congo, Guinea, Mali, and Senegal. Asians As of 1998 Île-de-France has half of the Asian population of France. As of 1990 the majority of Asians living in France are ethnic Chinese originating from several countries. In 1974 France stopped allowing foreign workers into its borders. The Asian population of France increased despite the closure. In 1975 there were 20,000 Asians in Île-de-France. In 1982 the region had 59,000. This increased to 108,000 in 1990. In France the "Asians" are defined as people originating from the East Asian cultural sphere. The term does not include people from the Indian subcontinent. The usage of "Asians" differs from that of Anglo-Saxon countries. Geography of the Asian population For the entire Île-de-France region, there were a total of 108,511 persons who held or formerly held Cambodian, Chinese, Laotian, Taiwanese, and Vietnamese citizenships as of 1990. This included 64,361 current citizens of those countries and 44,150 former citizens who became naturalized as French citizens. As of 1990, there were a combined total of 31,773 persons who held or formerly held Cambodian, Chinese, Laotian, Taiwanese, and Vietnamese citizenships in the City of Paris. This included 21,655 current citizens of those countries and 10,118 former citizens who became naturalized as French citizens. As of 1990 fewer than 10,000 persons of East/Southeast Asian origin resided in six communes of Marne-la-Vallée. 26% of the population of Lognes was Asian, and other percentages were 8% in Noisiel, 5-6% in Noisy-le-Grand, and 5-6% in Torcy. In 1982 there were 6,000 Asians in Marne-la-Vallée, making up 3-4% of the area's population. In 1987 the number increased to 9,000. As of circa 1998 Ivry-sur-Seine and Vitry-sur-Seine had a combined Asian population of 3,600. As of circa 1998 there were about 6,000 East/Southeast Asians in and around Aulnay-sous-Bois, and there were 3,000