Corrupt Practices Investigation Bureau


The Corrupt Practices Investigation Bureau is a government agency in Singapore under the Prime Minister’s Office. The CPIB has the mandate to investigate into any acts or forms of corruption in the public and private sectors in Singapore, and in the course of doing so, any other offences under any written law.
The CPIB was established by in 1952 and placed under the purview of the Attorney-General at the time. Having also been under the Ministry of Home Affairs in its earlier years, the Bureau has remained under the purview of the Prime Minister’s Office since 1969. The CPIB operates with functional independence, and is headed by a director who reports directly to the Prime Minister.
The CPIB may also, in the course of its investigations, come across cases which reveal corruption-prone areas or loopholes in procedures in government departments. Based on its findings, CPIB may review the department concerned and recommend changes in their procedures.  In addition to its primary function of investigating corruption offences, the CPIB also undertakes public education and community outreach efforts relating to anti-corruption.

Legal framework

Enacted on 17 June 1960, the Prevention of Corruption Act is the primary anti-corruption law in Singapore. The following are provided for under the PCA:
There are case studies in both public and private sectors.
In April 2019, the CPIB reported that it received 358 corruption-related reports, and registered 107 new cases for investigation in 2018. Cases involving the private sector continued to form the majority, or 88%, of all new cases registered for investigation by the CPIB in 2018. The conviction rate remained high, averaging 98% from 2014-2018. The CPIB is committed to fight corruption with resolve, by strengthening its interview tradecraft, intelligence and investigative support capabilities.

Global ranking

CPIB was ranked 4th globally, on the Transparency International Corruption Perception Index for 2019.