Slovakia will be obliged to set state budget inclusive ESA funding. Slovakia was ranked 33rd in the Global Innovation Index in 2021. Demographics The population is over 5.4 million and consists mostly of Slovaks. The average population density is 110 inhabitants per km2. According to the 2021 census, the majority of the inhabitants of Slovakia are Slovaks (83.82%). Hungarians are the largest ethnic minority (7.75%). Other ethnic groups include Roma (1.23%), Czechs (0.53%), Rusyns (0.44%) and others or unspecified (6.1%). In 2018 the median age of the Slovak population was 41 years. The largest waves of Slovak emigration occurred in the 19th and early 20th centuries. In the 1990 US census, 1.8 million people self-identified as having Slovak ancestry. Languages The official language is Slovak, a member of the Slavic language family. Hungarian is widely spoken in the southern regions, and Rusyn is used in some parts of the Northeast. Minority languages hold co-official status in the municipalities in which the size of the minority population meets the legal threshold of 15% in two consecutive censuses. Slovakia is ranked among the top EU countries regarding the knowledge of foreign languages. In 2007, 68% of the population aged from 25 to 64 years claimed to speak two or more foreign languages, finishing second highest in the European Union. The best known foreign language in Slovakia is Czech. Eurostat report also shows that 98.3% of Slovak students in the upper secondary education take on two foreign languages, ranking highly over the average 60.1% in the European Union. According to a Eurobarometer survey from 2012, 26% of the population have knowledge of English at a conversational level, followed by German (22%) and Russian (17%). The deaf community uses the Slovak Sign Language. Even though spoken Czech and Slovak are similar, the Slovak Sign language is not particularly close to Czech Sign Language. Religion The Slovak constitution guarantees freedom of religion. In 2021, 55.8% of population identified themselves as Roman Catholics, 5.3% as Lutherans, 1.6% as Calvinists, 4% as Greek Catholics, 0.9% as Orthodox, 23.8% identified themselves as atheists or non-religious, and 6.5% did not answer the question about their belief. In 2004, about one third of the church members regularly attended church services. The Slovak Greek Catholic Church is an Eastern rite sui iuris Catholic Church. Before World War II, an estimated 90,000 Jews lived in Slovakia (1.6% of the population), but most