The Holocaust in Belgium the country before World War I. The interwar period saw substantial Jewish immigration to Belgium. By 1930, the population rose to 50,000, and by 1940 it was between 70,000–75,000. Most of the new Jewish immigrants came from Eastern Europe and Nazi Germany, escaping anti-Semitism and poverty in their native countries. The Roma population of Belgium at the same time was approximately 530. Few of the Jewish migrants claimed Belgian citizenship, and many did not speak French or Dutch. Jewish communities developed in Charleroi, Liège, Brussels and, above all, Antwerp, where more than half of the Jews in Belgium lived. The
Second city of the United Kingdom example, the Official Census population for Glasgow was 0.784 million in April 1911; 1.034 million in April 1921; 1.088 million in April 1931 and 1.090 million in April 1951. However, slum clearances in the 1960s led to displacement of residents from the city centre to new communities located outside the city boundaries. This, together with local government reorganisation, resulted in the official population of Glasgow falling sharply. The Glasgow City Council area currently has a population of 600,000 although the surrounding conurbation of Greater Glasgow has a population of 1,199,629. In contrast, the population of the city of Birmingham has