Anti-Corruption Institutions & Enforcement

c. 1754 BCE · 3,780 years ago

Hammurabi's Code punished judges who altered rulings for payment

Among the earliest written legal codes, it fixed heavy fines and permanent removal from office for a judge found to have changed a judgement after taking a bribe, one of the first documented attempts to deter corruption in the administration of justice.

c. 300 BCE · 2,326 years ago

Kautilya's Arthashastra catalogued the ways officials could defraud the treasury

The Indian treatise on statecraft listed dozens of methods by which tax collectors and officials embezzled revenue and recommended covert agents and cross-checked accounts to detect them, an early systematic treatment of corruption as a problem of institutional design.

149 BCE · 2,175 years ago

Rome created its first standing criminal court for official corruption

The quaestio de repetundis allowed provincial subjects to bring extortion charges against Roman magistrates who had enriched themselves in office, an early institutionalised check on corruption by officials that influenced later Western legal thinking on public accountability.

1960 · 66 years ago

Singapore gave its anti-corruption agency sweeping investigative powers

The Prevention of Corruption Act let the Corrupt Practices Investigation Bureau, founded under British colonial rule, arrest without warrant and examine the bank accounts of suspects and their families, powers credited with the city-state's subsequent reputation for clean government.

1974 · 52 years ago

Hong Kong established the Independent Commission Against Corruption

Created after public anger at endemic police corruption, the commission was given investigative, preventive and educational functions and reported directly to the governor rather than the police, a model of institutional independence widely studied and copied by other jurisdictions.

1977 · 49 years ago

The United States enacted the Foreign Corrupt Practices Act

Passed after investigations following the Watergate affair uncovered hundreds of American companies paying bribes abroad, the law made bribing foreign officials a US crime and required companies to keep accurate books, becoming the template other countries later copied.

• Other exporting nations did not adopt similar rules for two decades

1992 · 34 years ago

Italian magistrates launched the Mani Pulite investigations

The Clean Hands inquiries into systemic kickbacks on public contracts led to thousands of arrests and indictments of politicians and businessmen and the collapse of several governing parties, becoming a reference point for how prosecutorial action can dismantle an entrenched system of political corruption.

1997 · 29 years ago

The OECD Anti-Bribery Convention required signatories to criminalise foreign bribery by their own companies

For the first time, major exporting countries agreed to prosecute their own firms for bribing foreign officials to win business abroad, rather than treating such payments as a routine, sometimes tax-deductible, cost of overseas trade.

31 October 2003 · 23 years ago

The United Nations Convention Against Corruption was adopted, later becoming a near-universal treaty framework

The UN General Assembly adopted the United Nations Convention Against Corruption by Resolution 58/4, the only legally binding international anti-corruption multilateral treaty, after negotiation among UN member states. It combined preventive and punitive measures with provisions on international cooperation and the return of proceeds of corruption, setting common standards for criminalising bribery and embezzlement, protecting whistleblowers and recovering stolen assets across borders, and has since been ratified by the great majority of UN member states.

December 2003 · 23 years ago

UNCAC was opened for signature at Mérida, Mexico

The convention was opened for signature in Mérida, Yucatán, from 9 to 11 December 2003, and thereafter at UN headquarters in New York. It was ultimately signed by 141 countries.

December 2005 · 21 years ago

UNCAC entered into force as binding international law

Following sufficient ratifications the convention became operative, obliging States Parties to cooperate in criminal matters and to consider assistance in civil and administrative proceedings relating to corruption. It also called for civil society participation and citizens' access to information.

2006 · 20 years ago

Russia ratified UNCAC but omitted Article 20 on illicit enrichment

Russia became a party to the convention in 2006 without incorporating the provision criminalising illicit enrichment. A 2013 petition of 115,000 signatures submitted to the State Duma by the Communist Party sought its adoption, but no such law was in effect by 2015.

2006 · 20 years ago

UNCAC Coalition was established as a global civil society network

The coalition brought together civil society organisations committed to promoting ratification, implementation and monitoring of UNCAC. It grew to over 350 organisations in more than 100 countries.

December 2006 · 20 years ago

Conference of the States Parties held its first session at the Dead Sea, Jordan

The inaugural CoSP met from 10 to 14 December 2006, establishing the treaty's governing body. Subsequent sessions were held in Bali (2008), Doha (2009), Marrakech (2011), Panama (2013), Russia (2015), Austria (2017) and the UAE (2019).

July 2025 · last year

Ukraine briefly stripped its anti-corruption bodies of independence, then restored it

Parliament passed a law placing the National Anti-Corruption Bureau and the Specialised Anti-Corruption Prosecutor's Office under the prosecutor general's control, prompting the largest street protests since the war began; the president signed a reversal within days after Western partners warned it endangered EU accession talks.

• The reversal restored the bureaus' investigative independence

February 2025 · last year

The United States paused enforcement of its main foreign bribery law

An executive order suspended new Foreign Corrupt Practices Act enforcement actions for 180 days pending a policy review, a move business groups had lobbied for and anti-corruption advocates warned would weaken the law most other countries had used as a benchmark for their own foreign bribery rules.

• The Department of Justice issued revised enforcement guidelines

2025 · last year

The European Union kept negotiating a directive to harmonise anti-corruption offences

Member states and the European Parliament continued talks on common minimum rules defining bribery, trading in influence and illicit enrichment, intended to close gaps between national laws that had allowed corruption cases to fall between jurisdictions.

2025 · last year

India widened use of money-laundering law against politicians and businesses

The Enforcement Directorate brought a growing number of cases under the Prevention of Money Laundering Act, a trend critics said disproportionately targeted opposition politicians while the government maintained that enforcement was applied without political bias.

2025 · last year

Nigeria pressed ahead with a beneficial ownership register for companies

The register, requiring companies to disclose their real owners rather than only nominee directors, continued to expand its coverage, intended to make it harder to hide the proceeds of corruption behind anonymous shell companies.

2025 · last year

South Africa brought a new public procurement law into force

The Public Procurement Act consolidated fragmented tender rules into a single framework, created a central tender portal intended to improve transparency and gave officials clearer grounds to debar suppliers implicated in state capture-era corruption.

• The central tender portal began publishing contract data

Early 2025 · last year

South Korea pursued corruption and insurrection-related charges against a former president

Investigators and prosecutors pressed cases connected to Yoon Suk-yeol's brief declaration of martial law and associated allegations, testing the independence of the dedicated anti-corruption investigation office for senior officials established in 2021.

2024 · 2 years ago

Guatemala saw its anti-corruption prosecutors clash with a reformist president

The attorney general's office, which the government accused of shielding entrenched interests, continued investigations that critics called politically motivated, a standoff that international observers said threatened the independence the country's courts had only recently begun to rebuild.

2024 · 2 years ago

Malaysia continued recovering assets linked to the 1MDB scandal

Authorities pursued further settlements and repatriation of funds tied to the state investment fund scandal, adding to billions already recovered since 2018, while separate domestic prosecutions of implicated officials continued through the courts.

2024 · 2 years ago

China extended its anti-corruption purge deeper into the military and financial sectors

Senior military officers, including figures tied to the Rocket Force and political work departments, were removed or placed under investigation, alongside continued disciplinary action against bank and insurance executives, part of a campaign that has run for more than a decade under Xi Jinping.

November 2015 · 11 years ago

UNCAC review process launched a second review cycle on prevention and asset recovery

The second cycle covered Chapters II and V, examining corruption prevention measures and asset recovery. Scheduled to end in 2021, it suffered substantial delays, with only 20 of 184 countries having completed review by May 2019.

July 2010 · 16 years ago

Implementation Review Group met for the first time in Vienna and adopted country review guidelines

The IRG set out guidelines for governmental experts and the UNODC secretariat in conducting country reviews. The first review cycle began in 2010, covering Chapters III and IV on criminalisation and international cooperation.

2010 · 16 years ago

The UK passed the Bribery Act

The Act created a strict liability corporate offence of failing to prevent bribery, unless a company could show it had adequate anti-bribery procedures in place, going further than the US approach by covering bribery of any kind, public or private, at home or abroad.

November 2009 · 17 years ago

Conference of the States Parties adopted Resolution 3/1 creating the Implementation Review Mechanism

At its third session in Doha the CoSP established terms of reference for peer review of how states implement the convention. This gave UNCAC a monitoring arm, previously absent.