Changes as of 1 January 2003
The sub-regional unit of Ii (173) changed its name into the sub-regional unit of Oulunkaari. The numerical code of the sub-regional unit remains the same.
Changes as of 1 January 2002
Kangaslampi (212) was moved from the sub-regional unit of Juva (102) to the sub-regional unit of Varkaus (114).
Changes as of 1 January 2001
The sub-regional units of Itä-Pirkanmaa (065), Koillis-Pirkanmaa (066) and Pohjois-Pirkanmaa (067) were united as Ylä-Pirkanmaa. The code for the new sub-regional unit is 069 and it is formed by the municipalities of Juupajoki (177), Kuru (303), Längelmäki (443), Mänttä (506), Orivesi (562), Ruovesi (702), Vilppula (933) and Virrat (936).
The sub-regional unit of Joroinen (104) was abolished when Joroinen (171) and Kangaslampi (212) were moved to the sub-regional unit of Juva (102) and Heinävesi (090) to the sub-regional unit of Savonlinna (103).
The sub-regional unit of Lakeus (172) was abolished when Liminka (425), Lumijoki (436) and Tyrnävä (859) were moved to the sub-regional unit of Oulu (171) and Rantsila (682) to the sub-regional unit of Siikalatva (175).
Haapavesi (071) was moved from the sub-regional unit of Nivala-Haapajärvi (176) to the sub-regional unit of Siikalatva (175).
Karttula (227) was moved from the sub-regional unit of Sisä-Savo (115) to the sub-regional unit of Kuopio (112).
Maaninka (476) was moved from the sub-regional unit of Ylä-Savo (111) to the sub-regional unit of Kuopio (112).
Pudasjärvi (615) was moved from the sub-regional unit of Koillismaa (178) to the sub-regional unit of Ii (173).
Vaala (785) was moved from the sub-regional unit of Kehys-Kainuu (181) to the sub-regional unit of Kajaani (182).
Uurainen (892) was moved from the sub-regional unit of Keuruu (133) to the sub-regional unit o f Jyväskylä (131).
Myrskylä (504) and Pukkila (616) were moved from the sub-regional unit of Loviisa (202) to the sub-regional unit of Porvoo
(201).
The name of the sub-regional unit of Itä-Häme (072) was changed to the sub-regional unit of Heinola.
The Regional Government of the Åland Islands has decided that Åland shall be devided into three, instead of the present two, sub-regional units: Mariehamns stad (211), Älands landsbygd (212) and Älands skärgärd (213).
Changes as of 2 February 1998
The name of the sub-regional unit of Koillis-Lappi (194) was changed to the sub-regional unit of Itä-Lappi.