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Local Government International Exchange

Sister City Information

Sister city relationships in Japan - Overview

CLAIR collects information about all sister city relationships in Japan through prefectural governments and designated cities (local governments that are not designated cities will submit through their prefectural government). Here you can find information about the number of sister city relationships (updated every month) and the trends in sister city relationships (updated every year).

CLAIR deems a "sister city relationship" valid if it fulfils all of the conditions below:

  1. There is a written agreement for the sister city affiliation sighned by the heads of both local govrnments
  2. Exchange is not limited to one specified field
  3. Consent is received from the local Assembly for any exchange activities which are thought to require budgetary steps

Number of sister city relationships in Japan

Number of sister city relationships as of 31st August 2016 (updated every month):

Type of loc. gov.No. of sister city relationships1No. of loc. gov. with relationshipsNo. of loc. gov. with more than 1 sister city relationship2
Prefecture 158 43 37
City 1,200 556 317
Ward 40 21 12
Town 262 215 41
Village 36 33 3
Tot. 1,696 868 410

1: Includes 4 cases of sister city relationships with more than one party on the Japanese side. These are:

  • Minami Alps City, Kai City, Chuo City, Showa Town partnered with Dujiangyan City, China
  • The Sankan Kouiki Administrative Association (composed of Kanonji City and Mitoyo City) partnered with Qingdao/Jimo City, China
  • Shodo Island (2 towns) partnered with Milos, Greece
  • Tokunoshima Island (3 towns) partnered with Cheongdo County, South Korea


2: The number of local governments in Japan who have sister city relationships with more than one overseas local government

The trends in sister city relationships

The graph below shows the trend in the number of sister city relationships throughout Japan

graph
As of 31st March 2016

For Enquiries
International Exchange Division
Tel : +81-3-5213-1723
Fax : +81-3-5213-1742
Email : shimai@clair.or.jp
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