The first nationwide census in South Africa was held in 1911 and indicated a white population of 1,276,242. By 1936, there were an estimated 2,003,857 white South Africans, and by 1946 the number had reached 2,372,690. The country began receiving tens of thousands of European immigrants, namely from Germany, Italy, the Netherlands, Greece, and the territories of the Portuguese Empire during the mid to late twentieth century. South Africa's white population increased to over 3,408,000 by 1965, reached 4,050,000 in 1973, and peaked at 5,044,000 in 1990.