Article analyses the consequences of the phenomenon of ethnic cleansing, which was the main brutal element during the war in Bosnia and Herzegovina in 1992-1995. The aim of the article is to follow population development of three constitutive nations of Bosnia and Herzegovina (i.e.
Bosniaks-Muslims, Serbs and Croats), transformation of ethnic proportional representation of Bosnian population due to differences in demographic behaviour and spatial impacts of forced migration on population distribution during the war.