Japan's seniors accounted for 29.1 percent of its population as of this month and 13.6 percent of its labor force in 2020, both record highs, government data showed Sunday, giving further evidence of a rapidly graying society.The number of people aged 65 or older in the country, which has the world's oldest population, totaled a record-high 36.4 million, up 220,000 from a year earlier, according to the data by the Ministry of Internal Affairs and Communications prior to Monday's Respect for the Aged Day holiday.The ratio of seniors remained well above 23.6 percent in Italy, the second most …READ FULL ARTICLE