Making government open data easier to understand
Visualizing Japan's government open data — gasoline prices, CPI, healthcare, real estate, demographics, and more — through charts and rankings.
Key Datasets
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Population Estimates
Track population and age composition (young, working-age, elderly) across all 47 prefectures by year. View rankings and trend charts.
Annual · 総務省統計局
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Gasoline Prices
Weekly retail prices for gasoline, diesel, and kerosene across all 47 prefectures. Compare rankings and trends.
Weekly · 資源エネルギー庁