Japan's population aged 65 or older accounted for a record 29.6 percent of the total, the government estimated Sunday, with the proportion remaining the highest among countries with populations exceeding 40 million.The elderly population totaled a record 36.24 million -- 15.71 million men and 20.54 million women -- up 20,000 from a year earlier, the Ministry of Internal Affairs and Communications said ahead of Japan's Respect for the Aged Day on Monday.The ministry said in September last year that the elderly proportion stood at 29.4 percent, which was also the highest among other countries…READ FULL ARTICLE