| Country or Area | Year | Area | Sex | National and/or ethnic group | Record Type | Reliability | Source Year | Value | |
|---|
| Slovenia | 2002 | Total | Both Sexes | Total | Census - de jure - complete tabulation | Final figure, complete | 2003 | 1,964,036 |
| Slovenia | 2002 | Total | Both Sexes | Albanian | Census - de jure - complete tabulation | Final figure, complete | 2003 | 6,186 |
| Slovenia | 2002 | Total | Both Sexes | Austrian | Census - de jure - complete tabulation | Final figure, complete | 2003 | 181 |
| Slovenia | 2002 | Total | Both Sexes | Bulgarian | Census - de jure - complete tabulation | Final figure, complete | 2003 | 138 |
| Slovenia | 2002 | Total | Both Sexes | Croatian | Census - de jure - complete tabulation | Final figure, complete | 2003 | 35,642 |
| Slovenia | 2002 | Total | Both Sexes | Czech | Census - de jure - complete tabulation | Final figure, complete | 2003 | 273 |
| Slovenia | 2002 | Total | Both Sexes | German | Census - de jure - complete tabulation | Final figure, complete | 2003 | 499 |
| Slovenia | 2002 | Total | Both Sexes | Greek | Census - de jure - complete tabulation | Final figure, complete | 2003 | 54 |
| Slovenia | 2002 | Total | Both Sexes | Hungarian | Census - de jure - complete tabulation | Final figure, complete | 2003 | 6,243 |
| Slovenia | 2002 | Total | Both Sexes | Italian | Census - de jure - complete tabulation | Final figure, complete | 2003 | 2,258 |
| Slovenia | 2002 | Total | Both Sexes | Jewish | Census - de jure - complete tabulation | Final figure, complete | 2003 | 28 |
| Slovenia | 2002 | Total | Both Sexes | Macedonian | Census - de jure - complete tabulation | Final figure, complete | 2003 | 3,972 |
| Slovenia | 2002 | Total | Both Sexes | Montenegrian | Census - de jure - complete tabulation | Final figure, complete | 2003 | 2,667 |
| Slovenia | 2002 | Total | Both Sexes | Moslem | Census - de jure - complete tabulation | Final figure, complete | 2003 | 10,467 |
| Slovenia | 2002 | Total | Both Sexes | Polish | Census - de jure - complete tabulation | Final figure, complete | 2003 | 140 |
| Slovenia | 2002 | Total | Both Sexes | Romanian | Census - de jure - complete tabulation | Final figure, complete | 2003 | 122 |
| Slovenia | 2002 | Total | Both Sexes | Russian | Census - de jure - complete tabulation | Final figure, complete | 2003 | 451 |
| Slovenia | 2002 | Total | Both Sexes | Ruthenian | Census - de jure - complete tabulation | Final figure, complete | 2003 | 40 |
| Slovenia | 2002 | Total | Both Sexes | Serbian | Census - de jure - complete tabulation | Final figure, complete | 2003 | 38,964 |
| Slovenia | 2002 | Total | Both Sexes | Slovak | Census - de jure - complete tabulation | Final figure, complete | 2003 | 216 |
| Slovenia | 2002 | Total | Both Sexes | Slovenian | Census - de jure - complete tabulation | Final figure, complete | 2003 | 1,631,363 |
| Slovenia | 2002 | Total | Both Sexes | Turkish | Census - de jure - complete tabulation | Final figure, complete | 2003 | 259 |
| Slovenia | 2002 | Total | Both Sexes | Ukrainian | Census - de jure - complete tabulation | Final figure, complete | 2003 | 470 |
| Slovenia | 2002 | Total | Both Sexes | Vlach | Census - de jure - complete tabulation | Final figure, complete | 2003 | 13 |
| Slovenia | 2002 | Total | Both Sexes | Other | Census - de jure - complete tabulation | Final figure, complete | 2003 | 1,548 |
| Slovenia | 2002 | Total | Both Sexes | Bosniac | Census - de jure - complete tabulation | Final figure, complete | 2003 | 21,542 |
| Slovenia | 2002 | Total | Both Sexes | Romani (Gypsy) | Census - de jure - complete tabulation | Final figure, complete | 2003 | 3,246 |
| Slovenia | 2002 | Total | Both Sexes | Unknown | Census - de jure - complete tabulation | Final figure, complete | 2003 | 197,054 |