| Rank | Board name and description | Posts | Members |
| 1 | Offtopic.com General discussion forums | 126116989 | 215096 |
| 2 | Something Awful General discussion forums | 98074096 | 137701 |
| 3 | PBNation Paintball related message boards | 61181985 | 504255 |
| 4 | Forocoches Spanish cars message boards | 49940743 | 363056 |
| 5 | Christian Forums Christian-based forum and online community | 47768404 | 224279 |
| 6 | Bodybuilding.com Bodybuilding and fitness related forums | 46108003 | 2073950 |
| 7 | Fan Forum Community for celebrities fans | 42047444 | 186794 |
| 8 | PinoyExchange Online Filipino community | 41040455 | 352029 |
| 9 | Digital Spy General digital entertainment community | 38368806 | 364797 |
| 10 | Disney discussion forums Disney trip planning forums | 33124429 | 248989 |
| 11 | Corvette Forum Chevrolet corvette forum | 32098888 | 234153 |
| 12 | Club RSX Honda RSX fans forums | 32093188 | 125592 |
| 13 | Skyscraper City Architecture, cityscapes and urban photo forums | 30530376 | 366930 |
| 14 | Hardware Upgrade Italian computer hardware forums | 30387073 | 360430 |
| 15 | Two Plus Two Poker and gambling forums | 29668412 | 216657 |
| 16 | Forum TR General discussion forum (in turkish) | 29096725 | 2895241 |
| 17 | NASIOC Forums Forums of the North American Subaru Impreza Owners Club | 28680212 | 227998 |
| 18 | IOFF.de German TV and off-topic message boards | 25032635 | 48399 |
| 19 | Literotica Adult stories and erotic literature message boards | 23404268 | 831207 |
| 20 | The Student Room UK students forums | 23323610 | 397066 |