Global Corruption Barometer (2013)

Summary: The 2013 Global Corruption Barometer is the world's largest public opinion survey on the subject. Over 114,000 people in 107 countries were asked 12 questions to gather their views on corruption. The barometer doesn't aggregate countries scores and rank them on their performance. But it does discuss its findings and trends in a report and also you can also view interactive graphics that illustrate national results on the following questions: 

1. In the past two years to what extent has the level of corruption in the country changed?
2. To what extent do you think corruption is a problem in the public sector?
3. To what extent is the government run by a few big entities acting in their own best interests?
4. How effective do you think the government's actions are in the fight against corruption?
5. Which institutions (categorized) do you think are affected by corruption? 
6. Have you or anyone in your household paid a bribe to one of eight services in the past 12 months?
7. To what extent do you agree that ordinary people can make a difference in the fight against corruption