polity State of Japan: All Data

This page is about the data available for this polity; the chronology of its events is available here.

Is a country in eastern Asia that occupies the Japanese Archipelago. It emerged as a nation already in 250 AD. After its defeat in World War II, it was occupied by the United States and regained its indipendence in 1952.

State of Japan: video summary
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Events Navigation: State of Japan
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State of Japan : Population density by Year
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1. Genealogy

State of Japan : Genealogy

2. Maps of Political Control Over Time

State of Japan : Map showing the initial year each territory was ruled by the polity State of Japan : Map depicting the polity's ruler in power when each territory was first controlled State of Japan : Maximal Extension of the Polity

3. Administrative Divisions

Prafectures of Japan in 2025

4. Monthly Summaries

State of Japan : Monthly Summary of the Changes

5. Lists and Timelines

State of Japan : List of events the polity was involved in State of Japan : List of Rulers State of Japan : Timeline of Rulers

6. Rankings

State of Japan : Top rulers ordered by largest reached area State of Japan : Top wars ordered by largest reached area State of Japan : Top rulers by territorial gain or loss in terms of area difference State of Japan : Top wars by territorial gain or loss in terms of area of the changes State of Japan : Top wars by territorial gain or loss in terms of area difference

7. Time Series

State of Japan : Time Series of all Territorial Changes State of Japan : time series of its population and area throughout history

8. All Events mentioned in Territorial Changes

U.S. withdrawal from Japan

9. All Cities mentioned in Territorial Changes

Akita Aomori Asahikawa Fukui Fukuoka Fukushima Gifu Hachinohe Hachiōji Hakodate Hamamatsu Hirosaki Hiroshima Iwaki Kagoshima Kanazawa Kanoya Kawagoe Kawasaki Kitakyūshū Kitami Kōbe Kōchi Kōfu Kōriyama Kumamoto Kure Kushiro Kyoto Maebashi Maizuru Matsue Matsumoto Matsuyama Mito Miyazaki Morioka Muroran Nagano Nagaoka Nagasaki Nagoya Niigata Obihiro Ōita Okayama Osaka Otaru Ōtsu Sakata Sapporo Sasebo Sendai Shimonoseki Shizuoka Takamatsu Takaoka Tokushima Tokyo Tomakomai Tottori Toyama Tsu Tsuruoka Utsunomiya Wakayama Yamagata Yokohama Naha