Japan's centenarian population tops 100,000, straining social security

Japan's centenarian population surpassed 100,000 for the first time, reaching 107,677, with 88% women. This milestone underscores the country's rapid aging and low birth rates, intensifying concerns about the sustainability of its social security system. The development is a continuation of a long-term demographic trend, but the crossing of this threshold highlights the growing fiscal and societal pressures.