The Japanese government has decided to postpone the submission of a bill that would have expanded the legal use of maiden names as official aliases, according to reports from NHK published on May 13, 2026. The legislation, which aimed to formalize the use of pre-marriage surnames in official contexts, will not be introduced during the current Diet session due to a congested legislative schedule. The proposed bill would have established legal provisions allowing individuals who changed their surnames after marriage to use their maiden names as officially recognized aliases across various government and administrative contexts. Currently, while some informal use of maiden names is permitted in certain situations, there is no comprehensive legal framework governing their use as official aliases. According to NHK, the government has begun coordinating to defer the bill's submission, citing the tight schedule of deliberations in the current parliamentary session. This postponement means that any formal expansion of maiden name usage rights will be delayed until at least the next Diet session, though no specific timeline for resubmission has been announced. For foreign residents in Japan, this development is particularly relevant for those who have married Japanese nationals or other foreign residents and changed their surnames. Under Japan's current family registration system, married couples must share the same surname, with one spouse required to adopt the other's name. In practice, women change their surnames in approximately 96% of cases, though the law itself is gender-neutral. Many foreign nationals who marry in Japan and register their marriage with Japanese authorities face the question of whether to maintain their original surname or adopt their spouse's name. Those who change their names often encounter practical difficulties, as their professional credentials, academic qualifications, and international documents remain under their birth names. The proposed legislation would have provided clearer legal standing for using maiden names alongside legal married names. The postponement reflects ongoing debates in Japan about surname policies and gender equality. While conservative voices argue that shared family names promote unity, advocates for reform contend that forcing name changes disproportionately affects women's professional identities and careers. Several court cases have challenged the constitutionality of the mandatory shared surname system, though Japan's Supreme Court has consistently upheld the current law. For the expatriate community, the practical implications of this delay are mixed. Foreign residents who have already changed their names will continue operating under current informal arrangements, which vary significantly depending on the institution or organization involved. Some employers, banks, and government offices already accommodate maiden name usage to varying degrees, while others strictly require legal names on all documentation. Those planning to marry in Japan should be aware that the legal landscape for maiden name usage remains unchanged. If maintaining your birth name for professional or personal reasons is important, you may want to consider registering your marriage only in your home country rather than in Japan, though this approach has its own complications regarding residency status and family registration. The government has not indicated when it might reintroduce the legislation. Political observers suggest that surname policy remains a contentious issue that may require broader consensus-building before significant reforms can advance through the Diet. Foreign residents affected by surname change issues should monitor developments in this area and consult with legal advisors or their embassy if they have specific concerns about name usage in official contexts. While formal legal changes have been delayed, individual institutions may continue developing their own policies for accommodating maiden name usage in the interim.