Japan Establishes a National Intelligence Agency — What It Means for Intelligence Oversight

A New Intelligence Architecture

On July 31, 2026, the Japanese government formally established the "National Intelligence Agency" (NIA), a new body that replaces and upgrades the former Cabinet Intelligence and Research Office (CIRO). The agency was created under legislation passed in May 2026, which also established the "National Intelligence Council" — a high-level decision-making body chaired by Prime Minister Takashi Takichi that includes nine cabinet ministers.

The NIA's creation marks a fundamental shift in how Japan manages its intelligence activities. Previously, Japan's intelligence functions were distributed across multiple agencies with limited coordination: the Cabinet Intelligence and Research Office handled analysis, the Public Security Intelligence Agency monitored domestic threats, the Defense Intelligence Headquarters focused on military matters, and the Ministry of Foreign Affairs conducted diplomatic intelligence — all operating largely independently.

Size and Leadership

The NIA begins operations with approximately 730 personnel, roughly the same size as the CIRO it replaces. The first director-general is Hara Kazuya, a 58-year-old career police official who joined the National Police Agency in 1990. Hara previously served as secretary to former Prime Minister Shinzo Abe, as chief of the NPA's Security Bureau, and has held the position of Cabinet Intelligence Officer since 2023 — making him a natural choice to lead the consolidation.

Controversy and Oversight Concerns

The establishment of the NIA has been controversial from the start. Critics in Japan's parliament and media have raised serious questions about how the new agency will balance its intelligence-gathering mission against the protection of civil liberties. The Asahi Shimbun and other major outlets have noted that the NIA's enabling legislation grants it broad authority to coordinate intelligence across government departments, but contains relatively weak independent oversight mechanisms compared to intelligence agencies in other democratic nations.

Japan's post-war intelligence architecture was deliberately kept fragmented to prevent the kind of centralized surveillance state that existed before and during World War II. The NIA represents a deliberate move away from that structure, driven by perceptions of rising security threats from China and North Korea, as well as Japan's growing role in international security partnerships.

What Comes Next

The Japanese government plans to issue the country's first-ever comprehensive intelligence policy guidelines, which will define the legal boundaries and operational standards for the NIA's activities. Observers will be watching closely to see whether the government builds adequate transparency and accountability mechanisms into those guidelines, or whether the NIA operates with the same lack of civilian oversight that critics say characterized Japan's earlier intelligence reforms.

For Japan's security partners — particularly the United States, Australia, and the United Kingdom — the NIA offers a more centralized partner for intelligence sharing. However, questions remain about whether the agency can attract and retain the analytical talent needed to compete with established intelligence services, given Japan's traditional preference for generalist bureaucrats over specialist intelligence professionals.