You have maintained a domicile in Japan for three years or more and are the child of a Japanese national. You were born in Japan and have resided or maintained a domicile in Japan for three consecutive years, and your father or mother was born in Japan. You had a residence in Japan for ten consecutive years or more. You will need to demonstrate not only the range of dates when you maintained a domicile or residence, but you also must provide all the dates when you left Japan and when you returned during the relevant period. You can do this with copies of passports, visas or other similar official documents. [3] X Research source
If you are employed and report that place of employment as part of your application, immigration officials may visit your place of employment to confirm whatever information you report. [8] X Research source
It is possible to obtain Japanese citizenship without giving up another country’s citizenship, if you can demonstrate exceptional circumstances that would justify doing so. Individuals younger than 20 years old may maintain dual citizenship. Before reaching age 20, such individual shall make a choice to retain Japanese citizenship and relinquish the other, or relinquish Japanese citizenship. (国籍選択 as stated earlier. )
If you satisfy the official that you are ready to proceed with your application, a second interview will be scheduled.
birth certificate marriage certificate passport proof of international travel evidence of employment evidence of assets proof of residency or domicile proof of education (transcripts, diplomas) proof of physical and mental condition evidence of criminal history
At the end of your prior meeting, you will have been provided with the name of a contact person and a case number for your application.
At any time during this process, you may be contacted to provide additional information on any topic. This portion of the application process may take several months.
You must be under 20 years of age. You must not have previously been a Japanese national. You must be legally acknowledged by one parent. The acknowledging parent must have been a Japanese national at the time of your birth. The acknowledging parent must be a Japanese national at the time of the acknowledgment.
You must report in person to claim citizenship. The only exception is for individuals who are under 15 years old. If you are under 15, then a legal guardian or other representative may appear on your behalf.