Romania's 2011 Census (latest comprehensive) reported the following ethnic composition (self-declared):
| Ethnicity | Percentage | Notes |
|---|---|---|
| Romanians | 89.4% | Majority; Romance language, Orthodox Christian |
| Hungarians | 6.5% | Concentrated in Transylvania (Székely Land); Magyar language, Catholic/Reformed |
| Roma | 3.3% | Likely undercounted (est. 5–10%); marginalized, diverse subgroups |
| Germans | 0.2% | Transylvanian Saxons, Banat Swabians; mostly emigrated |
| Ukrainians | 0.1% | Maramureș, Bukovina |
| Russians | 0.1% | Lipovans (Old Believers) in Danube Delta |
| Turks | 0.1% | Dobruja (Constanța, Tulcea) |
| Tatars | 0.1% | Crimean Tatar descendants; Dobruja |
| Serbs | 0.1% | Banat (Timiș, Caraș-Severin) |
| Croats | 0.1% | Banat (Carașova, Lupac) |
| Slovaks | 0.1% | Bihor, Arad (Nădlac) |
| Bulgarians | 0.1% | Banat, Oltenia |
| Greeks | 0.1% | Historical communities; Constanța |
| Armenians | 0.1% | Small, urban |
| Jews | 0.1% | ~3,000–9,000; Bucharest, Iași, Cluj |
| Others / Undeclared | ~1% | Including Chinese, Italians, refugees |
Romania is ethnically homogeneous by European standards—but its minorities are historically deep-rooted and legally protected.