Tansa is an independent, nonprofit, investigative newsroom based in Tokyo. Our investigations reveal - and aim thereby to end - wrongdoing by the powerful, such as government bodies and corporations. We approach our work by considering what needs to change in order to achieve redress for injustice and ensure that others are not harmed by similar wrongdoing in the future. In 2020, Japan ranked 66th in Reporters Without Borders' World Press Freedom Index. The country's major media organizations, prioritizing their own business interests, often fail to sufficiently monitor power or to speak up for the victims of its abuses. We believe independent, investigative journalism is essenti... read more Tansa is an independent, nonprofit, investigative newsroom based in Tokyo. Our investigations reveal - and aim thereby to end - wrongdoing by the powerful, such as government bodies and corporations. We approach our work by considering what needs to change in order to achieve redress for injustice and ensure that others are not harmed by similar wrongdoing in the future. In 2020, Japan ranked 66th in Reporters Without Borders' World Press Freedom Index. The country's major media organizations, prioritizing their own business interests, often fail to sufficiently monitor power or to speak up for the victims of its abuses. We believe independent, investigative journalism is essential for the Japanese public. As governments, corporations, and criminals increasingly work across borders, so too must the journalists who investigate them. In 2018, Tansa became Japan's first official member of the Global Investigative Journalism Network (GIJN), which as of February 2021 is comprised of 203 independent, nonprofit media organizations in 80 countries.
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By Makoto Watanabe | Editor-in-Chief
Dear all, This is Makoto Watanabe, Editor-in-Chief of Tansa. My investigative reporting series, "The Missing Nuclear Scientists," has been published by Iwanami Shoten, an influential publisher in... Read the full report ›By Manami Takahashi | Editor Team
Tansa has achieved new results with "Uploaded and Re-Uploaded" which began a series in November 2022. In this series, Tansa has been reporting on the "Album Collection," an app that illegally sells... Read the full report ›By Manami Takahashi | Project Member
Dear all, This is Manami Takahashi from Tansa. Thank you for walking with Tansa this year. We are happy to end this year with good news. “Uploaded and Re-Uploaded" has won the X Award... Read the full report ›