| Value | Category |
|---|---|
| 1 | Arkhangai |
| 2 | Bayan-Olgii |
| 3 | Bayankhongor |
| 4 | Bulgan |
| 5 | Govi-Altai |
| 6 | Dornogovi |
| 7 | Dornod |
| 8 | Dundgovi |
| 9 | Zavkhan |
| 10 | Ovorkhangai |
| 11 | Omnogovi |
| 12 | Sukhbaatar |
| 13 | Selenge |
| 14 | Tov |
| 15 | Uvs |
| 16 | Khovd |
| 17 | Khovsgol |
| 18 | Khentii |
| 19 | Darkhan-Uul |
| 20 | Ulaanbaatar |
| 21 | Orkhon |
| 22 | Govisumber |
| 90 | Abroad |
| 98 | Unknown |
| 99 | NIU (not in universe) |
| Name | Vocabulary |
|---|---|
| Migration Variables -- PERSON | IPUMS |