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
HIV/AIDS in Mozambique according to 2001 statistics, 82 percent of HIV/AIDS expenditures were contributed to Mozambique via external sources, meaning that the government of Mozambique funded less than 20 percent of HIV/AIDS expenses themselves. In doing so, however, private institutions and foreign aid had great influence over public health policy. Further, HIV rates within the country have highlighted disparities in financial independence—with women, who, on average earn 18% of a man's salary, much more likely to turn to high-risk behaviors such as sex work to fund living expenses and education. As a result of the economic burden of the HIV/AIDS epidemic, Mozambique's aid