| Part of speech | common noun |
|---|---|
| Gender | neuter |
| Singular | Plural | |||
|---|---|---|---|---|
| Indefinite | Definite | Indefinite | Definite | |
| Nominative | personnummer | personnumret | personnummer | personnumren |
| Genitive | personnummers | personnumrets | personnummers | personnumrens |
| Danish | personnummer |
|---|---|
| Dutch | persoonsnummer |
| English | personal number |
| Esperanto | personnumero |
| Icelandic | nafnnúmer |
| Norwegian | personnummer |