Russia, the largest country in the world, has international borders with 16 sovereign states, including two maritime boundaries with the United States and Japan, as well as the borders with the partially recognized states of South Ossetia and Abkhazia. The country has a land border running 20,241 kilometres (12,577 mi) in total, and has the second-longest land border of any country in the world, after China. The present borders of the Russia (then the Russian SFSR) have been drawn since 1956, and had remained the same after the dissolution of the Soviet Union; until in 2014, when Crimea was annexed by Russia from Ukraine.