Japan crosses 100,000 people aged 100 or older

When a child is born in Japan today, they have a remarkable chance at a long life. In fact, Japan recently passed a historic milestone: more than 100,000 people are now 100 years old or older. This number tells us something profound about the world's aging population—and about the future of a nation.

Japan is not alone in this trend. Many developed countries are seeing people live longer than ever before. Better medicine, healthier lifestyles, and improved nutrition all play a role. But Japan's numbers are particularly striking. The country leads the world in longevity. People there live, on average, into their mid-80s. Some reach well past 100.

Here is something interesting: among Japan's centenarians, about 88% are women. This is not an accident. Women, on average, live longer than men in most countries—sometimes by five to ten years. Scientists still debate why this happens. Some point to genetics. Others suggest that women may visit doctors more regularly or manage stress differently. Whatever the reason, the pattern is clear across the globe.

This aging shift creates both opportunities and challenges. Older adults bring wisdom, experience, and institutional memory to their communities. Many work well into their 70s or 80s, contributing skills and perspective. At the same time, an aging society must rethink healthcare, pensions, and housing. Fewer young people enter the workforce while more people need care. Japan is learning to navigate this balance carefully.

The number 100,000 is more than just a statistic. It represents 100,000 individual stories—people who have lived through wars, economic booms, technological revolutions, and personal triumphs. Their longevity is a testament to human resilience and to the advances modern society has made in supporting long, healthy lives.

As other countries watch Japan's experience, they are beginning to ask: How do we build societies where people can live longer, healthier lives? And how do we create systems that value and support people across all ages? These questions will shape policy and culture for decades to come.

What does it mean for you to live into your 100s? Would you want to? What would make those extra years feel meaningful?

Inspired by reporting from BBC News.