Africa on the whole fared badly however, with Gambia, Mali, Guinea-Bissau and Libya all losing points in this year's index.
Transparency International ranked 177 countries in 2013, placing New Zealand and Denmark joint first.
Africa's biggest economy South Africa ranked a disappointing 72, its worst ever ranking , with Nigeria at 144.
Somalia, North Korea and Afghanistan tied at last place
Transparency International said its index offers "a warning that the abuse of power, secret dealings and bribery continue to ravage societies around the world."
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