International Anti-Corruption Day takes place on December 09, 2025. International Anti-Corruption Day has been observed annually since the passage of the United Nations Convention Against Corruption on 31 October 2003.
The Convention states, in part, that the UN is "concerned about the seriousness of problems and threats posed by corruption to the stability and security of societies, undermining the institutions and values of democracy, ethical values and justice and jeopardizing sustainable development and the rule of law".
It delegates to the Convention the power to "promote and strengthen measures to prevent and combat corruption more efficiently and effectively... promote, facilitate and support international cooperation and technical assistance in the prevention of and fight against corruption… [and] promote integrity, accountability and proper management of public affairs and public property…" (With material from: Wikipedia)