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About family register system (about kosekiseido)

Last Updated March 1, 2022

About "family register"

"family register" proves the relationship between husband and wife (Tsuma) and his child. Name (name) and family (Kazoku), date of birth (hi), date of marriage (Kekkon), date of death (hi) Etc. are written.
Only Japanese people have "family register" and are not available to foreigners.

What foreigners have to do.

Foreigners do not have "family register", but if you live in Japan, you must know the following: Family Registry Division at the ward office.

  • When you get married (kikkon) or divorce (stop marriage) (time)
    (When a foreigner and a foreigner gets married or divorced, know the embassy or consulate (Ryojikan) If you do, you do not need to let the ward office know.)
  • When a child is born.
  • When he is dead

Documents (shorui) at the time of knowing will be left at the ward office for 10 years.

Documents that prove marriage or divorce

If you let the ward office know that you are going to get married or divorce, you will get a document to prove it. I can do it.

List of Family Registry Division windows at each ward office
Name of ward office Window Telephone Fax
Aoba Ward Office Family Registry Division Aoba Ward Office 2nd Floor 21st 045-978-2225 045-978-2418
Asahi Ward Office Family Registry Division Asahi Ward Office 1F, 12th floor 045-954-6031 045-955-4411
Izumi Ward Office Family Registry Division Izumi Ward Office, 2nd floor 201 045-800-2341 045-800-2508
Isogo Ward Office Family Registry Division Isogo Ward Office 2nd Floor 25th 045-750-2341 045-750-2535
Kanagawa Ward Office Family Registry Division 107, 1F, Kanagawa Ward Office Annex. 045-411-7031 045-324-3586
Kanazawa Ward Office Family Registry Division Kanazawa Ward Office 2F, 205 045-788-7731 045-701-5234
Konan Ward Office Family Registry Division Konan Ward Office 2nd Floor 20th 045-847-8331 045-841-1281
Kohoku Ward Office Family Registry Division 24th floor, Kohoku Ward Office 045-540-2250 045-540-2260
Sakae Ward Office Family Registry Division Sakae Ward Office Main Building 1F, 11th Floor 045-894-8340 045-894-3413
Seya Ward Office Family Registry Division 23rd floor, Seya Ward Office 045-367-5641 045-362-1488
Tsuzuki Ward   Office Family Registry Division No. 15 on the second floor of the Tsuzuki Ward   Office 045-948-2251 045-948-2259
Tsurumi Ward Office Family Registry Division Tsurumi Ward Office 2F, 4th Floor 045-510-1700 045-510-1893
Totsuka Ward Office Family Registry Division Totsuka Ward Office 2F, 4th Floor 045-866-8331 045-862-0657
Naka Ward Office Family Registry Division 21st floor, 2nd floor of Naka Ward Office Main Building 045-224-8291 045-224-8289
Nishi Ward Office Family Registry Division Nishi Ward Office 1st floor, 6th floor 045-320-8331 045-324-3585
Hodogaya Ward Office Family Registry Division 1F, Hodogaya Ward Office Main Building 1F 045-334-6231 045-335-6781
Midori Ward Office Family Registry Division 24th floor, Midori Ward Office 045-930-2247 045-930-2255
Minami Ward Office Family Registry Division Minami Ward Office 2F, 11th Floor 045-341-1115 045-341-1123

(A) the destination (A)
Content (not)Contact information (renrakusaki)
About this pageCivic Affairs Bureau Ward Administration Support Dept. Service Section (Japanese) (Japanese)
Telephone (D): 045-671-2176
Fax: 045-664-5295
Email address: sh-madoguchi@city.yokohama.jp

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