List of most corrupt countries in the world in 2025: Corruption is a problem that almost every country struggles with in some form, and it affects daily life, economies and people’s trust in public systems. To understand how serious the issue is around the world, organisations like Transparency International release the Corruption Perceptions Index (CPI), which gives a clearer picture of where corruption is most widespread.

Instead of pointing fingers, this list looks at global rankings to understand the conditions and challenges different countries face .

The CPI gathers information from trusted sources, including surveys and detailed studies by experts and business leaders. It evaluates factors like bribery, misuse of public resources and how strong a country’s anti-corruption syste

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