Ethnicity 1880[2] 1899[2] 1913[3] 19301[4] 1956[5] 1966[5] 1977[5] 1992[5] 2002[5]
All 139,671 258,242 380,430 437,131 593,659 702,461 863,348 1,019,766 971,643
Romanian 43,671 (31%) 118,919 (46%) 216,425 (56.8%) 282,844 (64.7%) 514,331 (86.6%) 622,996 (88.7%) 784,934 (90.9%) 926,608 (90.8%) 883,620 (90.9%)
Bulgarian 24,915 (17%) 38,439 (14%) 51,149 (13.4%) 42,070 (9.6%) 749 (0.13%) 524 (0.07%) 415 (0.05%) 311 (0.03%) 135 (0.01%)
Turkish 18,624 (13%) 12,146 (4%) 20,092 (5.3%) 21,748 (5%) 11,994 (2%) 16,209 (2.3%) 21,666 (2.5%) 27,685 (2.7%) 27,580 (2.8%)
Tatar 29,476 (21%) 28,670 (11%) 21,350 (5.6%) 15,546 (3.6%) 20,239 (3.4%) 21,939 (3.1%) 22,875 (2.65%) 24,185 (2.4%) 23,409 (2.4%)
Russian-Lipovan 8,250 (6%) 12,801 (5%) 35,859 (9.4%) 26,210 (6%)² 29,944 (5%) 30,509 (4.35%) 24,098 (2.8%) 26,154 (2.6%) 21,623 (2.2%)
Ruthenian
(Ukrainian from 1956)
455 (0.3%) 13,680 (5%) 33 (0.01%) 7,025 (1.18%) 5,154 (0.73%) 2,639 (0.3%) 4,101 (0.4%) 1,465 (0.1%)
Dobrujan Germans 2,461 (1.7%) 8,566 (3%) 7,697 (2%) 12,023 (2.75%) 735 (0.12%) 599 (0.09%) 648 (0.08%) 677 (0.07%) 398 (0.04%)
Greek 4,015 (2.8%) 8,445 (3%) 9,999 (2.6%) 7,743 (1.8%) 1,399 (0.24%) 908 (0.13%) 635 (0.07%) 1,230 (0.12%) 2,270 (0.23%)
Roma 702 (0.5%) 2,252 (0.87%) 3,263 (0.9%) 3,831 (0.88%) 1,176 (0.2%) 378 (0.05%) 2,565 (0.3%) 5,983 (0.59%) 8,295 (0.85%)