| 2026 | 41 | 41st Computational Complexity Conference, CCC 2026, Lisbon, Portugal, August 3-6, 2026 | Lisbon | |
| 2025 | 40 | 40th Computational Complexity Conference, CCC 2025, Toronto, Canada, August 5-8, 2025 | Toronto | |
| 2024 | 39 | 39th Computational Complexity Conference, CCC 2024, Ann Arbor, MI, USA, July 22-25, 2024 | Ann Arbor | |
| 2023 | 38 | Computational Complexity Conference CCC 2023 | Coventry | 2023-07-17/20 |
| 2022 | 37 | Computational Complexity Conference CCC 2022 | Philadelphia | 2022-07-20/23 |
| 2021 | 36 | Computational Complexity Conference CCC 2021 | Toronto | 2021-07-20/22 |
| 2020 | 35 | Computational Complexity Conference CCC 2020 | Saarbrücken | 2020-07-28/31 |
| 2019 | 34 | Computational Complexity Conference CCC 2019, COCO | New Brunswick | 2019-07-18/20 |
| 2018 | 33 | 33rd Computational Complexity Conference CCC 2018, COCO | San Diego | 2018-06-22/24 |
| 2017 | 32 | 32nd Computational Complexity Conference CCC 2017, COCO | Riga | 2017-07-06/09 |
| 2016 | 31 | 31st Computational Complexity Conference CCC 2016, COCO | Tokyo | 2016-05-29 to 2016-06-01 |
| 2015 | 30 | 30th Computational Complexity Conference CCC 2015, COCO | Portland | 2015-06-17/19 |
| 2014 | 29 | IEEE 29th Conference on Computational Complexity, CCC 2014, Vancouver, BC, Canada, June 11-13, 2014 COCO | Vancouver | 2014-06-11/13 |
| 2013 | 28 | Proceedings of the 28th Conference on Computational Complexity, CCC 2013, K.lo Alto, California, USA, 5-7 June, 2013 COCO | Palo Alto | 2013-01-01 |
| 2012 | 27 | Proceedings of the 27th Conference on Computational Complexity, CCC 2012, Porto, Portugal, June 26-29, 2012 CCC 2012, COCO | Porto | 2012-06-26/29 |
| 2011 | 26 | Proceedings of the 26th Annual IEEE Conference on Computational Complexity, CCC 2011, San Jose, California, USA, June 8-10, 2011 COCO | San Jose | 2011-06-08/10 |
| 2010 | 25 | Proceedings of the 25th Annual IEEE Conference on Computational Complexity, CCC 2010, Cambridge, Massachusetts, USA, June 9-12, 2010 COCO | Cambridge | 2010-06-09/12 |
| 2009 | 24 | Proceedings of the 24th Annual IEEE Conference on Computational Complexity, CCC 2009, Paris, France, 15-18 July 2009 COCO | Paris | 2009-07-15/18 |
| 2008 | 23 | Proceedings of the 23rd Annual IEEE Conference on Computational Complexity, CCC 2008, 23-26 June 2008, College Park, Maryland, USA COCO | College Park | 2008-06-23/26 |
| 2007 | 22 | 22nd Annual IEEE Conference on Computational Complexity (CCC 2007), 13-16 June 2007, San Diego, California, USA COCO | San Diego | 2007-06-13/16 |
| 2006 | 21 | 21st Annual IEEE Conference on Computational Complexity (CCC 2006), 16-20 July 2006, Prague, Czech Republic COCO | Prague | 2006-07-16/20 |
| 2005 | 20 | 20th Annual IEEE Conference on Computational Complexity (CCC 2005), 11-15 June 2005, San Jose, CA, USA COCO | San Jose | 2005-06-11/15 |
| 2004 | 19 | 19th Annual IEEE Conference on Computational Complexity (CCC 2004), 21-24 June 2004, Amherst, MA, USA COCO | Amherst | 2004-06-21/24 |
| 2003 | 18 | 18th Annual IEEE Conference on Computational Complexity (Complexity 2003), 7-10 July 2003, Aarhus, Denmark COCO | Aarhus | 2003-07-07/10 |
| 2002 | 17 | Proceedings of the 17th Annual IEEE Conference on Computational Complexity, Montréal, Québec, Canada, May 21-24, 2002 COCO | Montreal | 2002-05-21/24 |
| 2001 | 16 | Proceedings of the 16th Annual IEEE Conference on Computational Complexity, Chicago, Illinois, USA, June 18-21, 2001 COCO | Chicago | 2001-06-18/21 |
| 2000 | 15 | Proceedings of the 15th Annual IEEE Conference on Computational Complexity, Florence, Italy, July 4-7, 2000 COCO | Florence | 2000-07-04/07 |
| 1999 | 14 | Proceedings of the 14th Annual IEEE Conference on Computational Complexity, Atlanta, Georgia, USA, May 4-6, 1999 COCO | Atlanta | 1999-05-04/06 |
| 1998 | 13 | Proceedings of the 13th Annual IEEE Conference on Computational Complexity, Buffalo, New York, USA, June 15-18, 1998 COCO | Buffalo | 1998-06-15/18 |
| 1997 | | Proceedings of the Twelfth Annual IEEE Conference on Computational Complexity, Ulm, Germany, June 24-27, 1997 COCO | Ulm | 1997-06-24/27 |
| 1996 | | Proceedings of the Eleveth Annual IEEE Conference on Computational Complexity, Philadelphia, Pennsylvania, USA, May 24-27, 1996 COCO | Philadelphia | 1996-05-24/27 |
| 1995 | | Proceedings of the Tenth Annual Structure in Complexity Theory Conference, Minneapolis, Minnesota, USA, June 19-22, 1995 COCO | Minneapolis | 1995-06-19/22 |
| 1994 | | Proceedings of the Ninth Annual Structure in Complexity Theory Conference, Amsterdam, The Netherlands, June 28 - July 1, 1994 COCO | Kingdom of the Netherlands | 1994-06-28 to 1994-07-01 |
| 1993 | | Proceedings of the Eigth Annual Structure in Complexity Theory Conference, San Diego, CA, USA, May 18-21, 1993 COCO | San Diego | 1993-05-18/21 |
| 1992 | | Proceedings of the Seventh Annual Structure in Complexity Theory Conference, Boston, Massachusetts, USA, June 22-25, 1992 COCO | Boston | 1992-06-22/25 |
| 1991 | | Proceedings of the Sixth Annual Structure in Complexity Theory Conference, Chicago, Illinois, USA, June 30 - July 3, 1991 COCO | Chicago | 1991-06-30 to 1991-07-03 |
| 1990 | | Proceedings: Fifth Annual Structure in Complexity Theory Conference, Universitat Politècnica de Catalunya, Barcelona, Spain, July 8-11, 1990 COCO | Polytechnic University of Catalonia | 1990-07-08/11 |
| 1989 | | Proceedings: Fourth Annual Structure in Complexity Theory Conference, University of Oregon, Eugene, Oregon, USA, June 19-22, 1989 COCO | Eugene | 1989-06-19/22 |
| 1988 | | Proceedings: Third Annual Structure in Complexity Theory Conference, Georgetown University, Washington, D. C., USA, June 14-17, 1988 COCO | Washington, D.C. | 1988-06-14/17 |
| 1987 | | Proceedings of the Second Annual Conference on Structure in Complexity Theory, Cornell University, Ithaca, New York, USA, June 16-19, 1987 COCO | Ithaca | 1987-06-16/19 |
| 1986 | | Structure in Complexity Theory, Proceedings of the Conference hold at the University of California, Berkeley, California, USA, June 2-5, 1986 COCO | Berkeley | 1986-06-02/05 |
