Mongolia fell six places in the corruption index where the country of 3.4 million placed in the 116th out of 180 countries, according to the 2023 Corruption Perceptions Index reported by Transparency International. The least corrupt countries in the region include New Zealand and Singapore.

In 2020, the organization aimed to show the transparency of political financing and the aggressive entry of private interests into politics with the Corruption Perceptions Index. In 2021, when there was a pandemic, the level of corruption and how to fight it was emphasized. For the 2022 corruption index, more armed conflict and peace and security are emphasized.

The Corruption Perceptions Index (CPI) ranks of countries around the world, based on how corrupt their public sectors are perceived to be. The results are given on a scale of 0 to 100, where 0 is highly corrupt and 100 is very clean.