Japan's Centenarian Conundrum: A Nation Stuck in Time Japan has reached a milestone: over 100,000 people aged 100 or older.
However, beneath this remarkable longevity lies a demographic crisis that threatens to upend the nation's social and economic foundations. The statistics are striking.
Almost three in every ten residents now reside in an age group expected to swell to nearly 40 percent by 2070, according to government projections.