Timeline
| Date | Addition | Removal | No. | Description |
|---|---|---|---|---|
| 1945 | Changhua City, Chiayi City, Hsinchu City, Kaohsiung City, Keelung City, Taichung City, Tainan City, Taipei City, Pingtung City |
9 | Reform from the prefecture-controlled cities in the period under Japanese rule. | |
| August 16, 1950 | Chiayi City | 8 | merged into Chiayi County and became a county-controlled city | |
| December 1, 1951 | Changhua City, Hsinchu City, Pingtung City |
5 | downgraded to county-controlled cities | |
| July 1, 1967 | Taipei City | 4 | upgraded to a special municipality | |
| July 1, 1979 | Kaohsiung City | 3 | upgraded to a special municipality | |
| July 1, 1982 | Chiayi City, Hsinchu City | 5 | upgraded from county-controlled cities | |
| December 25, 2010 | Taichung City, Tainan City | 3 | merge with Taichung County and Tainan County, and upgraded to special municipalities | |
| Provincial cities in existence:Chiayi City, Hsinchu City, Keelung City (3). | ||||
The provincial city hierarchy will be abolished in 2014 under President Ma Ying-jeou's "Three municipalities and 15 counties" scheme if the plan goes through. Keelung is planned to be merged with Taipei, while Hsinchu and Chiayi will merge with their respective counties (Hsinchu County and Chiayi County) to become county-controlled cities.
Read more about this topic: Provincial City (Taiwan)