How many Facebook applications are you using everyday? According to Facebook Statistics, there are more then 500,000 active applications on the Facebook Platform so far. Want to know the top 20 Facebook Applications according to monthly active users? Here they go…

1. FarmVille – 78,975,913
2. Birthday Cards – 49,135,859
3. Café World – 30,373,554
4. Facebook for iPhone – 26,851,685
5. Happy Aquarium (BETA) – 26,694,602
6. Texas HoldEm Poker – 25,833,621
7. FishVille – 25,254,426
8. Mafia Wars – 25,082,042
9. Causes – 23,693,665
10. Zoo World – 19,499,210
11. Pet Society – 18,893,743
12. PetVille – 18,682,529
13. Static FBML – 18,612,620
14. Mobile – 18,138,021
15. We’re Related – 18,134,736
16. MindJolt Games – 17,149,554
17. Friends Exposed – 15,255,305
18. Restaurant City – 14,386,594
19. YoVille – 14,342,063
20. Facebook for BlackBerry smartphones – 13,934,752

(source: allfacebook.com)

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