Tokyo Population 2024 Forecast By County. The average annual rate of decline of the total. Population of japan from 2000 to 2020 with a forecast until 2030, by age group (in millions)

Recent population estimates for tokyo hold that around 8.3 million people live just within the city’s traditional boundaries. The prefecture has grown into one of the world’s megacities and is home to around 13.5 million people, making up over 10 percent of the nation’s total population.