1. Somalia The most corrupt country in the index was Somalia, which has ranked as one of the world's most corrupt countries on the CPI since 2010. In addition to the ongoing tensions of the Somali ...

For the third year in a row, Russia is perceived by survey respondents as the most corrupt country in the world – or at least out of the 89 included in the Best Countries rankings. Among the ...

The US's score has been more or less the same over the past few years.

Countries are given a score out of 100, with those scoring highly being the least corrupt. Keep scrolling to see the list, which is ranked in ascending order.

It is one of the world’s wealthiest countries, and has been well-known for its neutrality. #1 in Least Corrupt Switzerland, officially called the Swiss Confederation, is a small country in ...