Key points from article :
Nearly 1 in 1,500 people in Japan is now aged 100 or older.
There were 80,450 people aged 100 and over as of Tuesday -- 9,176 more than last year.
Women in Japan make up 88% of all centenarians.
In Japan, women are expected to live to 87.45 years and men are expected to live to 81.41
Japan began documenting the number of centenarians in 1963 when there were only 153 people above 100.
But by 1988, that had ballooned to 10,000.
Japan's 117-year-old Kane Tanaka is the world's oldest person by Guinness World Records last year.
Tanaka has said that eating good food and practicing math are her secrets for a long life.
Report by Japan's Health, Labor and Welfare Ministry.