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US Leaves GRECO After 26 Years: Why Trump’s Move Matters for Anti-Corruption Oversight

Donald Trump in a feature image about the US withdrawal from GRECO.
Donald Trump in a feature image about the US withdrawal from GRECO.

WASHINGTON, United States | September 30, 2026 — The US withdrawal from GRECO raises a question that goes beyond another international membership: who checks whether governments strengthen their own safeguards against corruption? The Trump administration has decided to leave the European anti-corruption monitoring body, joining Russia and Belarus as the only countries to depart. Washington says membership offers insufficient national security benefits. The significance lies in GRECO’s role: countries review one another’s systems and press governments to address weaknesses.

INVC NEWS | BEYOND THE HEADLINE
What happened. Why it matters. What comes next.

THE 60-SECOND BRIEF

  • The United States joined GRECO on September 20, 2000.
  • GRECO examines how countries implement anti-corruption standards.
  • Its work covers government ethics, political financing, conflicts of interest, and accountability.
  • Russia’s membership ended in July 2023; Belarus followed in May 2024. Their departure mechanisms differed from the US announcement.

What Happened

The Council of Europe announced on September 29 that Washington had formally notified it of its departure the previous day.

The State Department confirmed the decision. It argued that participation, which involves an annual financial contribution, did not deliver tangible benefits to US national security. Instead, Washington plans to prioritize visa restrictions, sanctions, and targeted assistance for foreign corruption investigations.

Meanwhile, the Council of Europe recognized America’s contribution and left the door open to future cooperation.

What Is GRECO—and Why Was America a Member?

GRECO stands for the Group of States against Corruption. The Council of Europe established it in 1999 to assess countries’ compliance with its anti-corruption standards.

Its membership extends beyond European countries. That explains why the United States could participate despite its location outside Europe.

The organization provides a forum for governments to exchange expertise, identify policy weaknesses, and recommend legislative or institutional improvements. Its influence comes primarily from mutual evaluation and pressure from fellow members.

Why It Matters

For readers, the practical issue is accountability.

GRECO’s evaluations address questions such as whether public officials disclose financial interests, whether ethical rules identify conflicts of interest, and whether governments enforce those rules. Its work also examines safeguards involving lawmakers, judges, prosecutors, senior executive officials, and law enforcement agencies.

These subjects affect how governments exercise power. For example, financial disclosure requirements can help reveal a potential conflict between an official’s public responsibilities and private interests. Rules matter, but their enforcement matters just as much.

The editorial implication: Leaving a mutual evaluation system removes a channel through which other governments can examine and challenge national safeguards. It does not, by itself, establish that corruption has increased or that any official has committed wrongdoing.

What Each Side Says

Washington’s position emphasizes the value of international participation to American security and the effectiveness of alternative tools.

GRECO’s stated purpose emphasizes prevention: identifying weaknesses in national systems and encouraging reforms before those weaknesses enable abuse.

These approaches serve different functions. Sanctions can target particular actors. A review of ethics and disclosure rules examines the safeguards around public institutions.

Therefore, the central question is how Washington will address the preventive and comparative role that GRECO membership provided.

Numbers That Matter

CountryKey dateMembership development
United StatesSeptember 20, 2000Joined GRECO
RussiaJuly 1, 2023Membership ended after it denounced the Criminal Law Convention on Corruption
BelarusMay 1, 2024Membership ended after it denounced relevant anti-corruption conventions and a protocol

GRECO’s official records document these dates and treaty-related departures.

America becomes the third country to leave. However, that numerical comparison does not mean all three governments followed the same process or cited the same reasons.

The Bigger Picture

GRECO evaluates more than written promises.

Experts examine information from governments and conduct meetings with public officials and civil society representatives. They then prepare reports and recommendations. A subsequent compliance process checks whether countries have implemented the proposed changes.

That follow-up gives the system its value: governments must explain what they have done after an evaluation identifies shortcomings.

What Happens Next

The key issue will be the arrangements that follow the withdrawal.

Readers should watch for clarification on future cooperation, any unfinished review work, and how Washington measures the effectiveness of its replacement approach. Those details will help distinguish the immediate diplomatic decision from its longer-term consequences.

INVC NEWS Bottom Line

The question now concerns scrutiny: how will the United States demonstrate that its own safeguards work after leaving a system designed to test them? The answer will depend on measurable accountability, transparent reporting, and enforcement.