Top 15 Most Popular Search Engines

1. Google
 900,000,000 - Estimated Unique Monthly Visitors

2. Bing
 165,000,000 - Estimated Unique Monthly Visitors

3. Yahoo! Search
 160,000,000 - Estimated Unique Monthly Visitors 

4. Ask
 125,000,000 - Estimated Unique Monthly Visitors 

5. Aol Search
33,000,000 - Estimated Unique Monthly Visitors

6. MyWebSearch
 19,000,000 - Estimated Unique Monthly Visitors

7. Blekko
9,000,000 - Estimated Unique Monthly Visitors 

8. Lycos
 4,300,000 - Estimated Unique Monthly Visitors 

9. Dogpile
2,900,000 - Estimated Unique Monthly Visitors

10. WebCrawler
 2,700,000 - Estimated Unique Monthly Visitors

11. Info
 2,600,000 - Estimated Unique Monthly Visitors

12. Infospace
2,000,000 - Estimated Unique Monthly Visitors

13. Search
 1,450,000 - Estimated Unique Monthly Visitors

14. Excite
 1,150,000 - Estimated Unique Monthly Visitors 

15. GoodSearch
1,000,000 - Estimated Unique Monthly Visitors