For inquiry about the Data Catalog Site (https://www.data.go.jp/) (hereinafter referred to as “this Site”), please use this form. Please ensure that the title clearly conveys that your message is an inquiry. The answer against your inquiry will be sent at later date. Before making the inquiry, please make sure the Privacy Policy (https://www.data.go.jp/privacy-policy) and the  Notes (https://www.data.go.jp/attention-for-use/).

  For inquiry about any data available on this Site, please check the content and contact the organ that has created and published the data.

  For any request about this Site, instead of an inquiry, please send it through the Request section in Japanese (https://www.data.go.jp/communication/requests-and-feedback/) in the Communications section. (We can deal with request in only Japanese.)

   For the purpose of avoiding any garbled characters, do not use any single-byte katakana character, any circled numeral character or any other special character.

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