The sharpest drop in Japanese nationals since comparable data became available in 1950 comes as the number of people aged at 14 and below dropped by 343,000 to 13.83 million, accounting for a record low of 11.2 percent of the total population. In contrast, the population of those aged 65 and over rose by 17,000 to 36.24 million, reaching a record high of 29.3 percent. The working-age population, or people between 15 and 64, fell 224,000 to 73.73 million, accounting for 59.6 percent, the estimate showed.