The population is over 5.4 million and consists mostly of Slovaks. The average population density is 110 inhabitants per km2. According to the 2011 census, the majority of the inhabitants of Slovakia are Slovaks (80.7%). Hungarians are the largest ethnic minority (8.5%). Other ethnic groups include Roma (2%), Czechs (0.6%), Rusyns (0.6%) and others or unspecified (7.6%).