Ukrainians in Russia include all the family of hetman Ivan Mazepa, A. Vojnarovsky, and those in Mazepa's Cossack forces that returned to Russia. Some were imprisoned in exile for the rest of their lives such as hetmanPavlo Polubotok, Pavlo Holovaty, P. Hloba and Petro Kalnyshevsky. Beginning in the 19th century, there was a continuous migration from Belarus, Ukraine and Northern Russia to settle the distant areas of the Russian Empire. The promise of free fertile land was an important factor for many peasants who until 1861, lived under Serfdom. In the colonization of the new lands, a significant contribution was made by ethnic
Crime in Russia fell rapidly in 1986–1987. Until the late 1980s, homicide rates in Russia were nearly similar to that in the United States. The increase in homicide rate in Russia began slightly earlier than 1990, and rose throughout the 1990s. Homicides were more common in Russia than in the Baltic states in 1991 and nearly doubled in frequency by 1994–1995. In 2003, the homicide rate in Russia was among the highest in the world. However, by 2017, homicide rate in Russia had fallen by 75%. By the end of 2018, Russia's homicide rate may be lower than that of the U.S. In