Regions 1.3. - 31.12.1998 - NUTS regional division
| Regions 1.3. - 31.12.2018 ---> | ---> null | Division |
|---|
| 01 Uusimaa | FI161 null | Wholly |
| 20 Itä-Uusimaa | FI162 null | Wholly |
| 02 Varsinais-Suomi | FI171 null | Wholly |
| 04 Satakunta | FI172 null | Wholly |
| 05 Kanta-Häme | FI173 null | Wholly |
| 06 Pirkanmaa | FI174 null | Wholly |
| 07 Päijät-Häme | FI175 null | Wholly |
| 08 Kymenlaakso | FI176 null | Wholly |
| 09 South Karelia | FI177 null | Wholly |
| 10 Etelä-Savo | FI131 null | Wholly |
| 11 Pohjois-Savo | FI132 null | Wholly |
| 12 North Karelia | FI133 null | Wholly |
| 13 Central Finland | FI141 null | Wholly |
| 14 South Ostrobothnia | FI142 null | Wholly |
| 15 Ostrobothnia | FI143 null | Wholly |
| 16 Central Ostrobothnia | FI144 null | Wholly |
| 17 North Ostrobothnia | FI151 null | Wholly |
| 18 Kainuu | FI134 null | Wholly |
| 19 Lapland | FI152 null | Wholly |
| 21 Åland | FI200 null | Wholly |