Japan's military expenditure has consistently remained below of GDP due to its pacifist constitution and reliance on U.S. security guarantees. During the 1960s and 1970s, spending was stable at around 0.8–, reflecting Japan’s focus on economic development rather than military expansion. A slight rise to by the early 1980s aligned with increased regional tensions and U.S. pressure to share defense responsibilities.
Recent years saw a gradual increase, reaching by 2022. This shift reflects Japan’s growing concern over regional threats, such as North Korea’s missile program and China’s maritime activities, prompting investments in advanced defense systems and military restructuring to enhance national security.
Recent years saw a gradual increase, reaching by 2022. This shift reflects Japan’s growing concern over regional threats, such as North Korea’s missile program and China’s maritime activities, prompting investments in advanced defense systems and military restructuring to enhance national security.
For a deeper dive into the topic, explore Japan’s population density estimate, Japan’s military personnel proportion, Japan’s working-age population share.