Same-Sex Marriage: Nagoya High Court declares Japan’s ban unconstitutional, signaling a positive shift for equality and LGBTQ+ rights.
The Nagoya High Court ruled denial of same-sex marriage as unconstitutional.
The ruling was the fourth such judgment by a high court in Japan.
Plaintiffs argued for dignity, equality, and legal/social benefits for LGBTQ+ couples.
The court upheld the previous unconstitutionality verdict but dismissed the damages claim.
The decision highlights gaps in legal recognition and rights for same-sex couples.

Historic Verdict: Same-Sex Marriage Declared Unconstitutional in Japan
In a groundbreaking decision, the Nagoya High Court in central Japan has ruled that the denial of same-sex marriage is unconstitutional. This marks a watershed moment for LGBTQ+ rights in Japan, signaling a possible shift in the legal recognition of same-sex couples. A male couple in their 30s, residing in Aichi Prefecture, had filed a damages lawsuit against the state, stating that the current legal provisions contradict the Constitution’s principles of dignity and equality. This decision is the fourth such high court ruling, further underscoring the urgency of addressing this issue at the national level.
The court’s decision builds on the Nagoya District Court’s previous verdict, which also found the provisions unconstitutional. However, it did not grant monetary damages to the plaintiffs. The presiding judge, Katada Nobuhiro, articulated the far-reaching consequences of these discriminatory provisions, noting that same-sex couples are deprived of fundamental legal and social benefits. These disparities extend to critical areas such as healthcare and the upbringing of children, indirectly affecting not only the couples but also their families.
Legal Context and Broader Implications
Japan’s Constitution, enforced since 1947, enshrines equality and prohibits discrimination, which served as the foundation for this ruling. Despite societal progress and growing calls for inclusion, same-sex marriage has long faced resistance within the nation. The central government argued that the Constitution originally did not envision same-sex marriage—a stance repeatedly challenged by evolving societal values and four judicial rulings of unconstitutionality concerning the issue. The court’s recognition of these discriminatory gaps in legal protections brings attention to a critical question: can Japan continue to disregard the equality of its LGBTQ+ citizens?
This verdict, although not binding on national practices, adds momentum to LGBTQ+ advocacy. While damages were denied, the ruling reflects the judiciary’s willingness to challenge entrenched societal norms. Legal experts suggest the case lays essential groundwork for broader constitutional reforms in Japan, possibly ushering in marriage equality in the years ahead. In doing so, the judiciary positions itself as a crucial arbiter in social change.
Challenges and the Road Ahead
While the court rulings signal progress, significant challenges remain for Japan’s LGBTQ+ community. Despite public support for equal rights increasing in recent years, legislative efforts to legalize same-sex marriage or introduce broader protections have stalled. Conservative factions within the government remain entrenched in their opposition, often citing traditional family structures and social conservatism as reasons to uphold the status quo.
The judiciary, limited by its role, cannot enforce broader legislative changes, making this a symbolic victory rather than a definitive legal resolution. Advocates argue that continued pressure on lawmakers, along with public awareness campaigns, will be necessary to transform judicial opinions into actionable policies. Activists are also calling for holistic reforms beyond marriage equality, including anti-discrimination protections, parental rights, and legal recognition of non-traditional family configurations.
Commentary
Reflection on the Nagoya High Court’s Landmark Verdict
The recent ruling by the Nagoya High Court marks a pivotal moment in Japan’s journey toward equality and inclusion for its LGBTQ+ citizens. As someone deeply invested in human rights issues, I see this as not just a victory for the plaintiffs but also a victory for democracy and constitutional integrity. It sends a strong message: that legal systems must evolve with the changing dynamics of society, and antiquated norms should never restrict human dignity and freedom.
The Complexity of Balancing Tradition and Change
The resistance to same-sex marriage in Japan illustrates a tension seen in many societies—balancing traditional values with the imperatives of modern rights-based frameworks. Advocates often encounter arguments that certain constitutional provisions were not designed to accommodate contemporary realities, such as LGBTQ+ rights. Yet, isn’t the essence of constitutional law its ability to serve as a living document, evolving to address future injustices? Japan’s courts seem to be answering this question in the affirmative, even as the government clings to outdated interpretations.
Looking Forward: Can Legal Recognition Foster Broader Social Acceptance?
Legal recognition is often the first step toward broader social acceptance, and this judgment provides an opportunity for Japan to redefine its societal fabric. However, while judicial decisions lay the groundwork, they cannot alone overhaul deeply ingrained prejudices. Education, awareness, and dialogue will be critical in shifting perceptions and empowering communities to embrace diversity. I hope the momentum created by these judicial rulings will inspire further activism and, eventually, legislative action.