The following is a list of known active SMF forums which boast a post count of over 500,000.
The list is still under construction and will be expanded with more large forums over time.
"As of (date)" indicates the date these statistics were last updated for a specific board.
| Name | Posts | Topics | Members | Update | Description |
|---|---|---|---|---|---|
| WarriorCatsRPG | 73,866,072 | 1,634,222 | 133,458 | 2015/01 | |
| Kanye West Forum | 43,421,938 | 561,236 | 55,294 | 2015/01 | |
| Red and White Kop | 12,645,920 | 165,300 | 41,405 | 2014/11 | |
| Burek | 11,684,978 | 625,484 | 2,145,009 | 2014/11 | |
| Bitcointalk | 10,148,855 | 394,728 | 396,917 | 2015/01 | |
| Hogville | 7,761,588 | 342,807 | 27,341 | 2014/11 | |
| Elliquiy Adult Role Playing | 7,143,775 | 25,090 | 2015/01 | ||
| TaleWorlds Forum | 6,490,781 | 246,641 | 153,451 | 2014/11 | Developers of the Mount&Blade game series. |
| Fertility friends | 5,230,920 | 2015/01 | |||
| Getbig Forums | 5,082,924 | 2015/01 | |||
| Italian Subs Addicted Forum | 4,811,395 | 103,141 | 399,269 | 2014/11 | |
| Crafster.org | 4,616,395 | 2015/01 | |||
| Xanje | 3,906,701 | 108,928 | 7,435 | 2015/01 | |
| Fórum SCP | 3,351,783 | 20,959 | 5,398 | 2014/12 | Fans of Sporting Club of Portugal |
| Simple Machines Forum | 3,336,714 | 409,119 | 315,108 | 2013/05 | |
| MoparScape | 3,263,271 | 480,368 | 524,575 | 2015/01 | |
| Inthe00s.com | 3,192,868 | 2015/01 | |||
| BPDFamily.com | 2,883,029 | 282,082 | 70,130 | 2015/01 | Support group for families having a mentally ill family member |
| Astronomy.ru | 2,763,950 | 61,329 | 23,900 | 2014/09 | Russian astronomy forum |
| 40KOnline | 2,633,793 | 201,324 | 40,375 | 2013/05 | Fans and players of Warhammer 40,000 game |
| KBoards | 2,517,538 | 131,668 | 74,636 | 2014/02 | Kindle readers and authors of ebooks |
| kekomundo | 2,346,228 | 2015/01 | |||
| Bay12 Games Forum | 2,122,186 | 135,497 | 41,446 | 2014/07 | Bay 12 Games, developer of the game Dwarf Fortress. |
| Chronicle Forums | 1,969,927 | 2015/01 | |||
| Chevy Avalanche Fan Club | 1,935,658 | 116,115 | 49,335 | 2013/05 | |
| Teen Talk | 1,721,547 | 14,411 | 195,488 | 2015/01 | Candy Magazine forum |
| Hondenvrienden | 1,431,046 | 55,226 | 7,751 | 2014/03 | Belgische grootste hondenforum |
| BenzoBuddies | 1,309,566 | 96,315 | 14,378 | 2014/03 | Benzodiazepine withdrawal support community |
| Hunting Washington | 1,254,295 | 2015/01 | |||
| SOHC Forums | 1,221,885 | 2015/01 | |||
| Bass Fishing Forum | 1,124,972 | 2015/01 | |||
| Marlin Crawler | 961,874 | 65,484 | 18,548 | 2013/05 | |
| NSNO Everton Forum | 807,809 | 25,299 | 3,453 | 2014/10 | Forum for supporters of Everton Football Club |
| Barfplaats | 774,449 | 41,940 | 11,501 | 2014/11 | Dutch forum for raw petfood (BARF - Bones And Raw Food) |
| TheBeerSpot | 608,132 | 14,210 | 1,600 | 2014/02 | A craft beer community. |
| Brandweerforum | 545,804 | 20,330 | 2.514 | 2013/06 | |
| Biology Discussion Forums | 519,270 | 161,815 | 243,886 | 2015/01 | Free homework help forum |
