Republic of Central Lithuania both Lithuanians and Poles. According to a German census analyst, "Objectively determining conditions of nationality comes up against the greatest difficulties." In the aftermath of the First World War, both Poland and Lithuania regained independence. The conflict between them soon arose as both Lithuania and Poland claimed Vilnius (known in Polish as Wilno) region. Demographically, the main groups inhabiting Vilnius were Poles and Jews, with Lithuanians constituting a small fraction of the total population (2.0%–2.6%, according to the Russian census of 1897 and the German census of 1916). The Lithuanians nonetheless believed that their historical claim to Vilnius (former capital
Economy of Lithuania of 178 countries in the Index of Economic Freedom, measured by The Heritage Foundation. On average, more than 95% of all foreign direct investment in Lithuania comes from European Union countries. Sweden is historically the largest investor with 20% – 30% of all FDI in Lithuania. FDI into Lithuania spiked in 2017, reaching its highest ever recorded number of greenfield investment projects. In 2017, Lithuania was third country, after Ireland and Singapore by the average job value of investment projects. Based on OECD data, Lithuania is among the top 5 countries in the world by postsecondary (tertiary) education attainment. Educated