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 games |
| 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, mental health |
| Astronomy.ru | 2,763,950 | 61,329 | 23,900 | 2014/09 | Russia, astronomy |
| 40KOnline | 2,633,793 | 201,324 | 40,375 | 2013/05 | Fans of Warhammer 40,000 game |
| KBoards | 2,517,538 | 131,668 | 74,636 | 2014/02 | Kindle readers, authors of ebooks |
| kekomundo | 2,346,228 | 2015/01 | |||
| Bay12 Games Forum | 2,122,186 | 135,497 | 41,446 | 2014/07 | Developers 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 | Belgian biggest dog forum |
| 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 | Supporters of Everton Football Club |
| Barfplaats | 774,449 | 41,940 | 11,501 | 2014/11 | Dutch, raw petfood |
| TheBeerSpot | 608,132 | 14,210 | 1,600 | 2014/02 | Craft beer |
| Brandweerforum | 545,804 | 20,330 | 2.514 | 2013/06 | |
| Biology Discussion Forums | 519,270 | 161,815 | 243,886 | 2015/01 | English, homework help |
