Human Rights Law in Japan

Tue, 07 Jul 2026 00:00:00 +0000

The Constitutional Foundation

Human rights law in Japan is anchored in the Constitution of Japan (Nippon Koku Kenpo, effective May 3, 1947). Chapter III, “Rights and Duties of the People” (Articles 10–40), enumerates fundamental rights reflecting post-WWII liberal democratic constitutionalism under Allied Occupation influence. These rights are directly enforceable against state action (vertical effect) and, through private law doctrines, in private disputes (horizontal or mittelbare Drittwirkung effect). The Supreme Court, under Article 81, exercises judicial review — the power to determine the constitutionality of any law or official act. However, the Court has exercised this power with notable restraint: only a handful of statutes have been declared unconstitutional. This narrow scope of review is attributed to the Court’s “legislative discretion” doctrine — the Diet enjoys broad discretion in limiting constitutional rights for public welfare, subject only to deferential rational basis review.

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Human Rights Law in Japan

The Constitutional Foundation