This article discusses the laws and regulations governing dual and multiple citizenships in Japan. It outlines the two types of citizenship available in Japan, Japanese nationality and permanent residency, as well as providing information on how to apply for additional nationalities. It also provides an overview of the potential benefits and challenges associated with having multiple citizenships in Japan, such as increased mobility, access to better job opportunities abroad, increased financial security, and greater protection against political instability or persecution. Additionally, it provides resources for those wishing to apply for multiple citizenships in Japan.