
The Self-Defense Forces had 217,701 members at the end of March, against an authorized total of 247,154. That means the SDF filled just 88.1% of its required positions, and the Defense Ministry expects the gap to widen. Japan’s government and the ruling Liberal Democratic Party are moving to improve working conditions and benefits for people in uniform ahead of a planned revision to the country’s three key national security and defense policy documents at the end of this year.
The projections are stark. If the current trend holds, the ministry estimates personnel will fall to 180,000 in fiscal 2035 and 130,000 in fiscal 2045. Japan’s birth rate keeps falling, and the SDF is finding it harder to recruit enough people. Government and LDP officials worry the shortfall could undercut efforts to strengthen the country’s defense capabilities.
Who Bears the Burden
The people still serving are absorbing the strain. A senior Ground Self-Defense Force officer said the shortage is increasing each member’s workload and could weaken the organization. Fewer people doing the same work. That’s the plain arithmetic of the problem.
The retirement system adds to the strain. The SDF requires many personnel to retire at a relatively young age to maintain a strong and effective force, and many leave in their mid-50s. Officials consider that system one reason recruiting is difficult. Leaving service in the mid-50s means facing a second career, and often a family’s finances, at an age when the job market doesn’t always welcome newcomers.
What the Government Is Proposing
Chief Cabinet Secretary Minoru Kihara told a news conference on Friday that recruiting SDF personnel had become more difficult. He said the government must improve conditions for those serving and create an environment in which retired personnel and their families can take pride in their lives. The government, he said, would work on specific measures to achieve those goals.
The plans include reviewing the pay system to better reflect the special duties and working conditions of SDF personnel, providing more support after retirement, and making the government’s commitment to better conditions clearer in the revised policy documents.
Defense Minister Shinjiro Koizumi is promoting a plan to establish a new government agency in fiscal 2027. The proposed agency doesn’t yet have a finalized name. It would support retired SDF personnel and their families, including by helping them find jobs after retirement. Koizumi has said the issue requires action by the entire government.
Lawmakers Weigh In
On Oct. 13, a group of LDP lawmakers held the first meeting of a new parliamentary group focused on strengthening the SDF workforce. Former Defense Minister Itsunori Onodera, who became the group’s chairman, said, “the most important asset of the SDF is its people.” He said the group would focus especially on helping personnel after they leave the service. It plans to make proposals to the government, including raising the retirement age, and hopes its ideas will appear in the three revised policy documents.
Technology as a Stopgap
It remains unclear whether these measures will be enough to solve the shortage in the near future. A senior Defense Ministry official said the ministry would need to make better use of technology, including uncrewed aircraft, to reduce the need for personnel and improve efficiency while maintaining defense capabilities.
Why This Matters: A shrinking, stretched force isn’t just a defense-planning problem. It’s a workforce problem, and the facts here show who carries the weight: current members facing heavier workloads, and retirees pushed out in their mid-50s who then need jobs and support for their families. The government’s turn toward pay reform, post-service assistance and a dedicated agency suggests officials recognize that public institutions have obligations to the people who serve them, not only to the mission. Whether those commitments survive contact with the budget, and whether they’re written clearly into the revised policy documents due at the end of this year, will show how seriously the state treats the people it depends on. With the force projected to fall to 130,000 by fiscal 2045, the decisions made now will shape those people’s lives for decades.
- self-defense forces
- japan
- staff shortages
- military personnel
- working conditions
- retirement benefits
- defense ministry
- liberal democratic party