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
Transport in Mozambique total of 30,400 km of highways, of which 5,685 km was paved. There are 3,750 km of navigable waterways. Seaports on the Indian Ocean coast include: the merchant marine fleet consisted of three cargo ships of 1,000 gt or over, totaling 4,125 gt/. Two of these were Belgian-owned ships registered in Mozambique as a flag of convenience. there were 158 airports in total, 22 of them having paved runways. The main airport in the country is Maputo International Airport, which is also the hub of Mozambique's flag carrier, LAM Mozambique Airlines. Transport in Mozambique Modes of transport in Mozambique include