Corruption perceptions index of Tonga improved by 4.64% from 30.00 score in 2010 to 31.39 score in 2011. Since the 41.18% jump in 2008, corruption perceptions index shot up by 30.80% in 2011.
The description is composed by our digital data assistant.CPI Score relates to perceptions of the degree of corruption as seen by business people and country analysts, and ranges between 100 (highly clean) and 0 (highly corrupt).
| Date | Value | Change, % |
|---|---|---|
| 2011 | 31.39 | 4.64% |
| 2010 | 30.00 | 0.00% |
| 2009 | 30.00 | 25.00% |
| 2008 | 24.00 | 41.18% |
| 2007 | 17.00 |