Demographics of Mozambique are dominant in the northern part of the country — the Sena and Shona (mostly Ndau) are prominent in the Zambezi valley, and the Shangaan (Tsonga) dominate in southern Mozambique. Other groups include Makonde, Yao, Swahili, Tonga, Chopi, and Nguni (including Zulu). The country is also home to a growing number of white residents, most with Portuguese ancestry. During colonial rule, European residents hailed from every Mozambican province, and at the time of independence the total population was estimated at around 360,000. Most vacated the region after independence in 1975, emigrating to Portugal as "retornados". There is also a larger
1975 United Kingdom European Communities membership referendum 1975 United Kingdom European Communities membership referendum The United Kingdom European Communities membership referendum, also known as the Referendum on the European Community (Common Market), the Common Market referendum and EEC membership referendum took place on 5 June 1975 in the United Kingdom to gauge support for the country's continued membership of the European Communities (EC)—often known at the time as the "European Community” and the "Common Market"—which it had entered on 1 January 1973 under the Conservative government of Edward Heath under the provisions of the Referendum Act 1975. Labour's manifesto for the October 1974 general election had promised