Women in Japan period to 100 days and allows any woman who is not pregnant during the divorce to remarry immediately after divorce. The Civil Code of Japan requires legally married spouses to have the same surname. Although the law is gender-neutral, meaning that either spouse is allowed to change his/her name to that of the other spouse, Japanese women have traditionally adopt their husband’s family name and 96% of women continue to do so as of 2015. In 2015, the Japanese Supreme Court upheld the constitutionality of the law, noting that women could use their maiden names informally, and stating that it
Maiden and married names entirely gender neutral, and the couple may adopt either of their surnames (a husband adopting his wife's family name is an uncommon but by no means unheard-of practice, which is generally accepted and carries little to no social stigma), or even a completely different one. The law also recognizes the couple's right to use the combined family name, and for the either of the spouses to reclaim their original surname in the case the marriage is dissolved. Spouses keep their original surnames. Following Spanish naming customs, a person's name consists of a given name (simple or composite) followed by two