Japan Hits Record 100,000 Centenarians — What's Their Secret?

Japan has reached a historic milestone: for the first time ever, more than 100,000 of its citizens are aged 100 years or older, according to figures reported by Le Défi Media citing Japanese government data. The record underscores Japan's long-standing status as one of the world's oldest societies — a distinction shaped by diet, healthcare, social structure, and culture. **A Nation of Centenarians** Japan has consistently ranked among the countries with the highest life expectancy on the planet. Women make up the vast majority of centenarians there, reflecting a global pattern in which women tend to outlive men by a significant margin. The country's government has tracked its centenarian population annually for decades, traditionally marking the milestone during Respect for the Elderly Day, a national holiday celebrated each September. **Why Do So Many Japanese People Live Past 100?** Researchers and public health experts point to several factors: - **Diet**: The traditional Japanese diet — rich in fish, vegetables, fermented foods, and low in saturated fat — is widely associated with cardiovascular health and longevity. - **Healthcare**: Japan operates a universal healthcare system that provides broad access to preventive care and treatment for chronic conditions. - **Social connection**: Strong community bonds and a cultural emphasis on purpose — captured in the Japanese concept of *ikigai* (a reason for being) — are linked to better mental and physical health in older age. - **Low obesity rates**: Japan has one of the lowest obesity rates among developed nations, reducing risk factors for diabetes, heart disease, and other life-shortening conditions. **A Double-Edged Milestone** While the record is a testament to Japan's public health achievements, it also deepens a demographic challenge the country has grappled with for years. Japan has one of the world's lowest birth rates, meaning a shrinking working-age population must support an ever-growing number of elderly citizens. This has placed enormous pressure on Japan's pension system, healthcare infrastructure, and labour market — issues the government has tried to address through immigration reform, robotics investment, and policies encouraging women and older workers to remain in the workforce. **Why This Matters Beyond Japan** Japan is often seen as a preview of challenges facing other ageing societies — including Mauritius. The island nation is itself experiencing demographic ageing, with the Statistics Mauritius projecting a steady rise in the proportion of residents over 60 in coming decades. Understanding how Japan manages longevity at scale offers lessons for healthcare planning and social policy worldwide. Source: Le Défi Media