Belgium is mostly Flemish.
Belgium . The Brussels-Capital Region is an officially bilingual ( French and Dutch ) enclave within the Flemish Region . Despite the reforms , tensions between the groups have remained , if not increased ; there is significant separatism particularly among the Flemish ; controversial language laws exist such as the municipalities with language facilities ; and the formation of a coalition government took 18 months following the June 2010 federal election , a world record . The Flemish or Flemings ( Vlamingen ) are a Germanic ethnic group native to Flanders , in modern Belgium , who speak Dutch , especially any of its dialects spoken in historical Flanders , known collectively as Flemish Dutch . Flemish people make up the majority of the Belgian population ( about 60 % ) .