| Rank | Board name and description | Posts | Members |
| 1 | Gaia Online Anime roleplaying community | 2138619572 | 27027973 |
| 2 | IMobile Mobile phones community (in chinese) | 31277230 | 9591781 |
| 3 | Zenhex General discussion forums | 2187134 | 8556729 |
| 4 | Bioware forums Neverwinter Nights video game forums | 9051551 | 6400538 |
| 5 | Game Show Network Forum about old TV shows | 808571 | 5313116 |
| 6 | Deviant Art Online art community | 5390933 | 5068184 |
| 7 | MLG Pro Official Major League Gaming forums | 7677549 | 5062292 |
| 8 | Sound Click Audio, Sound and Music discussion board | 566272 | 4884452 |
| 9 | MySpace Social networking and dating site forums | 912500 | 4150200 |
| 10 | IMDb Movies message boards | 13087050 | 4111600 |
| 11 | Ultimate Guitar Guitar discussion board | 24658301 | 3862927 |
| 12 | The Sims resource The Sims video game discussion forum | 2268814 | 3774602 |
| 13 | Bodybuilding.com Bodybuilding and fitness related forums | 69461259 | 3488374 |
| 14 | Gamefaqs Video games message boards | 28848500 | 3432658 |
| 15 | Forum TR General discussion forum (in turkish) | 32598085 | 3269921 |
| 16 | Cfan Chinese computers forum | 3167102 | 3167102 |
| 17 | BeepWorld Web design and homepage creation help forum | 412106 | 2781657 |
| 18 | Fat Wallet Hot deals and coupons forums | 17286395 | 2678011 |
| 19 | Motor-talk.de German automotive discussion forums | 36478596 | 2294094 |
| 20 | MacFixIt Mac troubleshooting message boards | 859673 | 2148685 |