Population: Tokyo Pref. VS Osaka Pref.

A long-term comparison of Tokyo and Osaka Prefectures, tracing how their populations have changed and diverged from 1872 to the present. The chart highlights the shifting population balance between Japan’s two major metropolitan centres.

Population: Tokyo Pref. VS Osaka Pref.

A long-term comparison of Tokyo and Osaka Prefectures, tracing how their populations have changed and diverged from 1872 to the present. The chart highlights the shifting population balance between Japan’s two major metropolitan centres.

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JP Major Cities Youth Gender Proportion

A comparison of youth gender proportions across Japan’s major cities, showing the balance between young male and female populations and highlighting differences in demographic structure among major urban centres.

JP Population Since Ancient Beginnings

A long-term journey through Japan’s population history, from ancient Jōmon times to the present, showing how population expanded, declined, and transformed across more than 10,000 years.

150 Years Changes of Top10 Populated JP Prefectures

A 150-year view of Japan’s top 10 most populated prefectures, showing how their population rankings have shifted from 1872 to the present. The chart highlights the rise, decline, and changing dominance of Japan’s major population centres.

Hundred Years Population Trend by Prefectures in Japan

A century-long view of population trends across Japan’s 47 prefectures, tracing how population levels and regional rankings have changed from 1920 to the present.

Population Race Within Kyushu Circle

A long-term population race among Kyushu’s prefectures, tracing their changing population rankings from 1872 to the present. The chart reveals how population growth and decline have reshaped the balance between Kyushu’s major population centres over more than 150 years.

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