Hungarians in Serbia are the second largest ethnic group in the country if not counting Kosovo. According to the 2011 census, there are 253,899 ethnic Hungarians composing 3.5% of the population of Serbia. The majority of them live in Vojvodina, where they number 251,136 or 13% of the population of the province. Most Hungarians in Serbia are Roman Catholics by faith, while smaller numbers of them are Protestant (mostly Calvinist). The Hungarian language is one of the six official languages of Vojvodina.