Bangladesh has been ranked 13 among the world's most corrupt countries in the Corruption Perceptions Index (CPI) released by Transparency International on Tuesday. Bangladesh secured 26 points on a scale of 1-100 for the fourth year in a row, according to CPI 2021. And Bangladesh has been ranked number two among South Asian nations -- after Afghanistan -- in the index. Bangladesh currently occupies the 147th position among the 180 countries ranked from the top, according to the index released by Transparency International at a webinar. Read: ACC files corruption case against Jibon Bima officials With a score of 88 out of 100, Denmark, Finland and New Zealand topped the global CP, doing best in curbing corruption. South Sudan is the world's most corrupt country, as per the index. The CPI is an index published annually by Berlin-based Transparency International since 1995 which ranks countries "by their perceived levels of public sector corruption, as determined by expert assessments and opinion surveys". The CPI generally defines corruption as "the misuse of public power for private benefit".