If you are a person of dual nationality and have not made the choice of your nationality by the deadline set by the government, you may lose your Japanese nationality. So, please don’t forget choosing your nationality.

The period to choose nationality is as follows.Please note the period differs in accordance with the time when you have become of dual nationality.

(1) A Japanese national who has become of dual nationality on or after January 1, 1985 (i.e. on or after the day when the Nationality Law, as amended by Law No. 45 of 1984, became effective).

(Note) If you fail to make the choice of nationality within the above-mentioned period, you may be notified by the Minister of Justice that you are required to choose one of the nationalities you possess.If you fail to choose your nationality, you may lose your Japanese nationality.

(2) A Japanese national who has become of dual nationality before January 1, 1985 (i.e. before the day when the Nationality Law, as amended by Law No. 45 of 1984, became effective).

(Note) If you fail to make the choice of nationality within the above-mentioned period, you shall be deemed to have declared that you choose to be a Japanese national and renounce the foreign nationality, at the time of the expiration of such period.

The Japan Directory of Embassies and Consulates is as extensive as possible, but many countries don’t have websites – only listing their respective embassy/consulate addresses and contact phone numbers in various directories.