Their village structure and administration differed somewhat from the Russian population that surrounded them.[10] Where populations were mixed, Russification often took place.[10] The size and geographical area of the Ukrainian settlements were first seen in the course of the Russian Empire Census of 1897, which noted language but not ethnicity. A total of 22,380,551 Ukrainian speakers were recorded, with 1,020,000 Ukrainians in European Russia and 209,000 in Asian Russia.[note 1]