Japan’s turning point for LGBTQ+ rights

June 25, 2026

Japan's LGBTQ+ community rallied during Tokyo Rainbow Pride in June 2026 as the nation awaits a landmark Supreme Court ruling on same-sex marriage constitutionality expected in early 2027. The legal battle began in 2019 when thirteen same-sex couples filed simultaneous lawsuits across multiple districts, with most lower courts finding the exclusion of same-sex marriage unconstitutional, though a Tokyo High Court dissented in 2025. Japan remains the only G7 country without comprehensive legal protections for same-sex couples, despite public opinion polls showing roughly 65-72 percent support for marriage equality.

Who is affected

13 same-sex couples who filed the original 2019 lawsuits
LGBTQ+ communities throughout Japan
Marriage for All Japan (LGBT+ activist group)
Same-sex couples excluded from spousal benefits in over 100 laws
Same-sex couples in more than 500 regions with partnership certification systems
Sexual minorities unable to access the national household registration system (Koseki)
The 15-Justice Grand Bench of the Japanese Supreme Court
Prime Minister Sanae Takaichi and the Liberal Democratic Party
Conservative lawmakers in the National Diet

What action is being taken

The Japanese Supreme Court is expected to issue its first unified constitutional ruling on same-sex marriage in early 2027
LGBTQ+ communities are taking to the streets during Pride Month with the slogan "May love prevail in the Supreme Court"
Marriage for All Japan has launched a nationwide "Love Wins" campaign since May 2026 to demonstrate public support across 47 prefectures
The government recently rolled out its first national plan to raise awareness and strengthen support systems for the LGBTQ+ community

Why it matters

This Supreme Court ruling will determine whether Japan joins other G7 nations in providing equal marriage rights or continues excluding same-sex couples from fundamental legal protections. The decision carries significant implications beyond marriage itself, as it could force reforms to Japan's household registration system (Koseki), which structures citizenship, inheritance, taxation, adoption, and hundreds of civil laws around heterosexual family units. Without constitutional marriage rights, same-sex couples remain effectively second-class citizens despite majority public support for equality, creating a symbolic segregation that reinforces social stigma while denying practical benefits like spousal visas, automatic inheritance, and parental rights.

What's next

The Japanese Supreme Court is expected to issue its unified constitutional ruling on same-sex marriage in early 2027
If the Grand Bench rules the current marriage law unconstitutional, the court may impose a deadline for the National Diet to rewrite the marriage and Koseki systems or establish a civic union registration system with separate household registration
Marriage for All Japan vowed to spread the "May love prevail in the Supreme Court" message across all 47 prefectures during Pride Month

Read full article from source: Global Voices