The oldest person, Kane Tanaka, celebrated her 117th birthday at an old age home in Fukuoka, Southern Japan on January 2nd. She became the oldest person in the world given by the Guinness world records last year. The report said that the number of people aged 90 increased to two million, while the people aged over 65 increased by 35.144 million. Young Japanese people are focusing on their jobs, not on marriage. The elderly have lived longer than before.