data osakaOsaka's 2025 population is now estimated at 18,921,600. In 1950, the population of Osaka was 7,005,280. Osaka experienced a decrease of -45,900 residents over the past year, marking anトップページ > ・ > ・ > スマートシティのにけたみ > データORDEN > データサービス「ODPOOpen Data Platform in