Based on expert opinion from around the world, the Corruption Perceptions Index measures the perceived levels of public sector corruption worldwide.
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The Corruption Perceptions Index (CPI) scores 180 countries and territories by their perceived levels of public sector corruption, according to experts and business people.
The CPI 2019 reveals a staggering number of countries are showing little to no improvement in tackling corruption. Our analysis also suggests that reducing big money in politics and promoting inclusive political decision-making are essential to curb corruption.