Mongolia’s Corruption Index Falls to Decade Low, Testing Government’s Reform Narrative

Transparency International’s latest Corruption Perceptions Index has landed with a thud in Ulaanbaatar. Mongolia’s score slipped to 31 in 2025, down two points and now at its lowest level in more than a decade.

For a government that has branded the past years a war on corruption, the optics are awkward. For businesses and citizens, they are clarifying.

The official line is that a spike in investigations proves the system is cleaning itself. Yet the CPI measures perceptions of public-sector integrity, not arrest statistics.

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