Hay un solo lugar en el mundo donde el japonés es de jure idioma oficial. Y no es Japón. Es Angaur, un estado de Palau.

Vota!

Fuentes

"Constitution of the State of Angaur: Angaur, Republic of Palau". ARTICLE XII (A): Official Languages https://pacificdigitallibrary.org/cgi-bin/pdl?e=d-000off-pdl--00-2--0--010-TE--4-------0-1l--10en-50---20-text-Japanese--00-3-1-00bySR-0-0-000utfZz-8-00&d=HASHa4b7077d472c4cdb9c8ddf.10&p=text Section 1. The traditional Palauan language, particularly the dialect spoken by the people of Angaur State, shall be the language of the State of Angaur. Palauan, English and Japanese shall be the official languages.