The article presents the data of the empirical study of the structural organization of ethnic groups subjective well-being on the territory of the Saratov Volga region conducted on proportionally selected samples ( N = 280), whose representatives identify themselves as Russians ( n = 70; city of Saratov), Armenians ( n = 70; city of Saratov), Kazakhs ( n = 70; village Alexandrov Ghay in the Saratov Region that borders on the West Kazakhstan Region of Kazakhstan with the ethnical composition represented primarily by Kazakhs), Tatars ( n = 70; village Yakovlevka in Bazarno-Karabulakskiy district of the Saratov Region with the Tatar dominant ethnical group), whose average age is 25.6 years old; SD = 9.7; sex ratio is female (52%) and male (48%...