Conference NCAA records (updated)

[SWC75]

Here are the year by year best performances by a conference in the NCAA tournament since 1975, the year teams other than the conference champions were allowed in the tournament. These are the conferences with the top five in number of wins each year with the number of losses being the tie breaker:

1975 PAC8 6-1, SEC 4-2, ACC and Missouri Valley 3-2, Big10 and WAC 2-2
1976 Big10 9-1, PAC8 3-2, Big8, Southern and WAC 2-2
1977 ACC 6-2, Sun Belt 3-1, Big Sky and Southern 2-1, SEC 2-2
1978 SEC 5-0, ACC 4-2, Big10 3-2, Eastern 8 2-1, SWC 2-3
1979 Big10 5-1, Ivy 4-1, Missouri Valley 4-2, New York-New Jersey 7 3-1, Pac 10 3-2
1980 Big10 10-4, Metro 7-2, ACC 6-3, Pac10 6-4, SEC 4-3
1981 ACC 8-4, Big10 6-2, Big8 and WAC 5-3SEC 4-4
1982 Big East 9-6, ACC 7-3, SWC 4-2, Big8 3-2, Metro 3-3
1983 ACC 11-3, SEC 6-4, Big East 6-5, SWC 5-2, Big10 5-4
1984 Big East 8-2, ACC 8-5, SWC 5-3, Big10 and Metro 4-2
1985 Big East 17-5, ACC 12-5, SEC 7-5, Metro 4-2, Big8 4-3
1986 ACC 13-6, SEC 12-5, Metro 7-2, Big8 7-5,Big East 4-3
1987 Big East 14-4, Big10 13-5, SEC 8-6, Big8 5-4, ACC 5-6
1988 Big8 14-3, ACC 9-5, Big10 7-5, SEC 6-5, PAC10 4-2
1989 Big10 16-4, ACC 12-6, Big East 10-5, Big8 4-4, Big West 3-1
1990 ACC 13-6, Big West 8-2, Big10 8-6, SWC 7-3, Big East 7-5
1991 ACC 11-5, Big East 9-5, Big10 7-2, Big8 6-2, SWC 3-2, Atlantic 10, Big West, Pac10 3-3
1992 Big10 14-5, ACC 12-4, SEC 5-3, Big8 5-6, Pac10 4-4
1993 ACC 14-5, Big10 10-5, SEC 8-4, Atlantic 10 7-4, Big 8 5-6
1994 SEC 12-3, ACC 10-5, Big10 10-8, Big8 7-3, Big East 7-6
1995 SEC 11-5, ACC 10-5, Big East 8-2, Pac10 8-4, Big8 8-5
1996 SEC 14-3, Big East 12-5, C-USA 6-4, ACC 6-5, SWC and WAC 3-2
1997 Pac10 13-4, ACC and Big 10 8-6, Big8 7-5, C-USA 5-4
1998 Pac10 11-4, ACC 10-5, SEC 7-4, Big East and Big 10 7-5
1999 Big10 13-7, Big East 10-4, SEC 10-6, ACC 7-3, Big12 4-5
2000 Big10 15-5, SEC 11-6, Big12 9-6, Big East 8-5, ACC 7-3
2001 Pac10 13-5, ACC 11-5, Big10 11-6, Big East 5-5, SEC 5-6
2002 Big12 13-6, ACC 9-3, Big10 9-5, Pac10 9-6, Big East 6-6
2003 Big12 14-6, Big East 12-3, Big10 8-4, Pac10 6-5, SEC 6-6
2004 ACC 14-6, Big East 11-5, Big12 10-4, A10 6-3, SEC 6-6
2005 ACC 12-4, Big10 12-5, Big East 7-6, Big12 and SEC 6-6
2006 Big East 14-8, SEC 12-6, Pac10 8-4, Colonial 4-2, ACC 4-3
2007 SEC 12-3, Pac10 11-5, Big10 8-7, Big12 6-4, ACC 6-6
2008 Big East 12-9, Big12 11-6, Pac10 8-5, ACC 5-3, Big10 5-4
2009 Big East 16-9, Big12 11-6, Big10 9-7, ACC 8-5, Pac10 6-6
2010 ACC 9-5, Big10 9-5, Big12 9-7, Big East 8-8,. SEC 6-4
2011 Big East 13-10, ACC 7-4, SEC 7-5, Big10 7-7, Horizon 5-1
2012 Big East 13-9, Big 10 10-6, SEC 9-3, Big12 9-7, ACC 7-5
2013 Big10 14-7, Big East 12-6, Missouri Valley 5-2, Pac12 5-4, SEC 4-3
2014 American, SEC 9-3, Big10 8-5, Pac12 8-6, A10, Big12 6-6
2015 ACC 17-5, Big10 12-7, Pac12 7-5, SEC 5-5, Big12 5-7
2016 ACC 19-7, Big12 9-8, Big East 8-2, Big10 6-6, Pac12 4-7
2017 SEC 11-5, ACC 11-8, Pac12 10-4, Big12 9-6, Big 10 8-7
2018 Big 12 12-7, ACC 12-9, Big 10 9-4, Big East 9-5, SEC 8-8
2019 ACC 16-6, Big 10 13-8, SEC 12-7, Big 12 8-6, West Coast 3-2
2021 Pac 12 13-5, Big 12 11-6, Big 10 8-9, SEC 7-6, West Coast 5-2

The winning conferences:
ACC 1977, 1981, 1983, 1986, 1990, 1991, 1993, 2004, 2005, 2010, 2015, 2016, 2019 =13 times
Big East 1982, 1984, 1985, 1987, 2006, 2008, 2009, 2011, 2012 = 9 times
Big 10 1976, 1979, 1980, 1989, 1992, 1999, 2000, 2013 = 8 times
SEC 1978, 1994, 1995, 1996, 2007, 2014, 2017 = 7 times
PAC 8/10/12 1975, 1997, 1998, 2001, 2021 = 5 times
Big 8/12 1988, 2002, 2003, 2018 = 4 times
American 2014 = 1 times


And here are the cumulative records of the conferences since 1975:

ACC 405-219 .649
Big 10 359-223 .617
Big East 315-210 .600
SEC 290-199 .593
PAC 8/10/12 215-157 .578
Big 8/12 275-208 .569
Metro/C-USA 104-96 .520
American 21-20 .512
West Coast 55-64 .462
Missouri Valley 58-74 .439
Atlantic 10 89-115 .416 (Includes Eastern 8 and Yankee which merged into it)
Midwestern/Horizon 28-41 .406
Western Athletic 60-88 .405 (1-18 since 2006)
ECAC South/Colonial 26-44 .371
Big West 33-57 .367 (3-27 since 1994)
Mountain West 20-40 .333
Mid-American 24-50 .324
American South/Sun Belt 22-61 .265 (4-29 since 1994)
Ivy 15-45 .250
Mid-Continent/Summit 11-34 .244
Southland 12-42 .222
Southern 12-46 .207
Ohio Valley 8-47 .145
America East 6-36 .143 (formerly ECAC North and North Atlantic)
Atlantic Sun 6-36 .143 (formerly Trans America)
Big Sky 8-53 .131 (3-45 since 1983)
Southwest Athletic 4-32 .111 (The SWAC, not the SWC)
Big South 3-26 .103
Patriot 3-27 .100
Mid-Eastern 3-32 .086 (MEAC)
ECAC Metro/Northeast 2-35 .054
Metro Atlantic 2-39 .049 (MAAC)

Defunct conferences:
Great Midwest 15-14 .517 (dissolved when Conference USA was formed)
NY-NJ 7 3-3 .500 (1976-78: dissolved when the Big East was formed)
Southwest 43-46 .483 (dissolved in 1996)
East Coast 4-16 .200 (Not the current ECC, which is in D2: this was formed form the old Middle Atlantic conference and folded in 1994)