nearby villages in Southeastern province of Belgian Luxembourg). However, in these localities, the German language is highly endangered due to the adoption of French. Religion Roman Catholicism has traditionally been Belgium's majority religion, with approximately 65% of the Belgians declaring themselves to be Catholics. However, by 2004, nationwide Sunday church attendance was only about 4 to 8% (9% for Flanders only). A 2006 inquiry in Flanders, long considered more religious than the Brussels or Wallonia regions in Belgium, showed 55% of its inhabitants calling themselves religious, while 36% said that they believed that God created the world. Demographics Belgium had a population of 10,839,905 people on 1 January 2010, an increase of 601,000 in comparison to 2000 (10,239,085 inhabitants). Between 1990 (9,947,782 inhabitants) and 2000 the increase was only 291,000. The population of Flanders, Wallonia and Brussels on 1 January 2010 was 6,251,983 (57.7%), 3,498,384 (32.3%) and 1,089,538 (10.1%), respectively. Notable Belgians See also Belgian American Belgian Brazilian Belgian Canadians Flemish people Walloons Belgian nationality law References External links Ethnic groups in Belgium