Accounting for 7,498 of the bodies found, the dataset's largest group belonged to 85-year-olds and above, followed by 75-79-year-olds at 5,920. People aged between 70 and 74 accounted for 5,635 of the bodies found. According to NHK, the police agency will give its findings to a government group looking into the unattended deaths. Earlier this year, the Japanese National Institute of Population and Social Security Research said the number of elderly citizens (aged 65 and above) living alone is expected to reach 10.8m by the year 2050. The number of single-person households is estimated to hit 23.3m in the same year.