Worldwide Click Fraud Statistics in Q4 2008

Click fraud (False clicking on internet ads to increase click throughs) has grown consistently in the past year. Click fraud in Q4 2007 was 16.6%

Overall Industry Click fraud rate in Q4 2008 : 17.1%
Click fraud rate in PPC ads on Content networks like Adsense : 28.2%
Percent of click fraud that is from automated bots : 31.4%

Top countries (outside US) contributing to Click fraud:
1. Canada (7.4%)
2. Germany (3%)
3. China (2.3%)