Mari people
According to the 1897 census, the population of the Vyatka Governorate was 3,030,831. Russian people composed 77.4% of the population; Udmurt people – 12.5%; Mari people – 4.8%, and Tatar people – 4.1%. According to 1958 data, the population was 2,123,904; according 1910 data it was 3,747,000.