TOKYO, Japan — Japan now has more than 100,000 people aged 100 or older, a demographic milestone that sharpens a central question for the country: how to turn longer lives into a sustainable future.
The centenarian population reached 107,677 in September, with women accounting for nearly 88 percent, according to Health Ministry figures reported by The Associated Press. The announcement on September 15 marked the 56th consecutive annual increase, extending Japan’s remarkable record of longevity.
Health Minister Kenichiro Ueno welcomed the figures as evidence that more people were enjoying long, active lives. But the count measures survival, not independence or freedom from illness. Its policy significance lies in the widening gap between a population living longer and the younger workforce available to support it.
Longer Lives, Uneven Security
Japan’s own assessment of aging is more complex than the familiar portrait of exceptionally healthy elders. Its 2025 government white paper documented rising numbers of older people living alone, lower average incomes among elderly households and an increasing contribution by people aged 65 and above to the labor force.
The government’s response includes support for continued employment, dementia care, accessible housing and community services. Together, those priorities point to a broader challenge: ensuring that additional years of life come with sufficient income, social connection and practical support.
For employers, demographic change is already an operating constraint. A Reuters survey published in January 2025 found that roughly two-thirds of responding Japanese companies were seriously affected by labor shortages. Fifty-nine percent were extending retirement ages or rehiring retirees.
The Workforce Behind the Care
Technology offers assistance, but its limits matter. Japan is developing robots that could help with physically demanding care tasks, including repositioning bedridden patients. Reporting on those efforts found that widespread autonomous caregiving remained years away, with existing systems performing narrower functions such as monitoring sleep or leading exercises.
Immigration presents a more immediate political test. A July 2026 Reuters Breakingviews analysis described a widening tension between employers and regional leaders seeking foreign workers and a national political climate favoring tighter controls. Its central argument was that ambitious investment plans would struggle without enough people to carry them out.
The implication is clear: investment in automation, care services and worker recruitment must advance together.
A Preview for Other Aging Economies
Japan’s experience has wider relevance. The United Nations projects that, by the mid-2030s, people aged 80 and above will outnumber infants worldwide. Institutions designed around younger populations will face growing pressure to adapt.
Japan’s centenarians represent an achievement worth celebrating. The next measure of success will be whether its institutions can make those longer lives secure—and distribute the work of supporting them fairly across generations.
Sources: AP, UN, Reuters, Japan Government