Question

why ethnic composition is very complex?

Answer 1

The Ethnic Composition of the small country like Belgium is very complex because of various languages speaking people like:
(i) Of the country’s total population, 59 per cent lives in the Flemish region and speak Dutch language.
(ii) Another 40 per cent live in the “Wallonia region” and speak French.
(iii) Remaining one per cent of the Belgians speak German.
(iv) Besides, in the capital city of Brussels, 80 percent people speak French while 20 per cent are Dutch speaking.

Answer 2

Ethnic Composition of Belgium. ... The ethnic composition of Belgium is very complex because in that country Dutch speaking people are in majority ( 59 %), while French and German speaking are respectively 40% and 1%. The French live in the Wallonia region and the Dutch lives in flemish region.