Russians in Uzbekistan are the country's second largest ethnic group after Uzbeks, numbering 1,653,478, representig 5.5% of the population. During the Soviet period, Russians constituted more than half the population of the capital city, Tashkent. The country counted nearly 1.5 million Russians, 12.5% of the population, in the 1970 census. After the dissolution of the Soviet Union, significant emigration of ethnic Russians took place, mostly for economic reasons. Russians are concentrated in Tashkent, Bukhara and other major cities. The main religion is Russian Orthodoxy.