The country retained its score of 9.4 for the second year in a row, and thus shares the top rank with Denmark and Finland.
Reasons for New Zealand's great performance:
A boost in real incomes
Broadened and deepened the technological capabilities of the industrial sector
Contained inflationary pressures
The least corrupt nation in Asia is Singapore. It ranks 4th globally, after Denmark, Finland and New Zealand, all of which share the top spot. Hong Kong (14), Japan (17), Israel (30) are some of the other least corrupt Asian nations.
Image: The New Zealand national flag. Photograph: Michael Steele/Getty Images
Also read: Chidambaram's mantra for big growth