Transparency International is an international non-governmental organization committed to fighting injustice caused by corruption. One of the annual publication is the result of a survey known as the Corruption Perception Index (IPK). The index which ranks 180 countries based on their perceived levels of public sector corruption. The Corruption Perception Index uses a scale of 0 (highly corrupt)to 100 (very clean). Therefore, the higher value of index in a country, the lower corruption that occurs in that country.