Osaka Amazing Pass

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 anThe current metro area population of Osaka in 2025 is 18,922,000, a 0.24% dec from 2025. The metro area population of Osaka in 2025 was 18,967,000 , a 0.24% dec from 2025.