Gerontology Research Group
Japanese supercentenarians are citizens, residents or emigrants from Japan who have attained or surpassed 110 years of age. , the Gerontology Research Group (GRG) had validated the longevity claims of 318 Japanese supercentenarians, most of them women. According to the Gerontology Research Group, the oldest verified Japanese and Asian person ever is Kane Tanaka, born 2 January 1903 and still alive, aged . Japan was also home to the world's oldest man ever, Jiroemon Kimura (1897–2013), who lived to age 116 years and 54 days.