Transparency International has published its 2014 Corruption Perceptions Index (CPI), which ranked 175 countries and territories based on how corrupt their administrative and political institutions are perceived to be on a scale from 0 (highly corrupt) to a 100 (very clean).

Compiled from a combination of surveys and assessments of “the abuse of entrusted power for private gain,” the CPI is the most widely used indicator of corruption worldwide.

Here are the 17 most corrupt countries, according to the index:

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