| 府省 | 主要下部組織 |
| 内閣府 Cabinet Office |
国家公安委員会 National Public Safety Commission |
| 警察庁 National Police Agency |
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| 防衛庁 Defense Agency |
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| 防衛施設庁 Defense Facilities Administration Agency |
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| 宮内庁 Imperial Household Agency |
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| 金融庁 Financial Services Agency |
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| 公正取引委員会 Fair Trade Commission |
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| 食品安全委員会 Food Safety Commission |
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| 総務省 Ministry of Public Management, Home Affairs, Posts and Telecommunications |
公害等調整委員会 Environmental Dispute Coordination Commission |
| 消防庁 Fire and Disaster Management Agency |
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| 日本郵政公社 Japan Post |
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| 法務省 Ministry of Justice |
公安調査庁 Public Security Intelligence Agency |
| 公安審査委員会 Public Security Examination Commission |
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| 司法試験管理委員会 National Bar Examination Administration Commission |
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| 外務省 Ministry of Foreign Affairs |
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| 財務省 Ministry of Finance |
国税庁 National Tax Agency |
| 文部科学省 Ministry of Education, Culture, Sports, Science and Technology |
文化庁 Agency for Cultural Aggairs |
| 厚生労働省 Ministry of Health, Labour and Welfare |
中央労働委員会 Central Labor Arbitration Commission |
| 社会保険庁 Social Insurance Agency |
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| 農林水産省 Ministry of Agriculture, Forestry and Fisheries |
林野庁 Forestry Agency |
| 水産庁 Fisheries Agency |
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| 経済産業省 Ministry of Economy, Trade and Industry |
資源エネルギー庁 Agency for Natural Resources and Energy |
| 特許庁 Japan Patent Office |
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| 中小企業庁 Small and Medium Enterprise Agency |
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| 国土交通省 Ministry of Land, Infrastructure and Transport |
船員労働委員会 Labor Relations Commission for Seafarers |
| 気象庁 Japan Meteorological Agency |
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| 海上保安庁 Japan Coast Guard |
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| 海難審判庁 Marine Accident Inquiry Agency |
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| 環境省 Ministry of the Environment |