The Union of Soviet Socialist Republics (USSR) included 15 Soviet Socialist Republics (SSRs). The Russian Soviet Federative Socialist Republic (RSFSR), with the largest population, is ethnically Russian. The remaining SSRs included Georgians, Kazakhs, Ukrainians, Uzbeks, and others. Figure 3.6 shows a thematic map of the ethnic composition of each SSR.
Figure 3.6 Comparative Soviet Nationalities by Republic, 1979.
Source: Perry-Castañeda Library, the University of Texas at Austin, https://maps.lib.utexas.edu/maps/commonwealth/ussr_natrep_89.jpg
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