Annual Meetings of the International Society for the Systems Sciences
| 2024 | 68 | USA | Washington D.C. |
| 2023 | 67 | South Africa | Kruger National Park |
| 2022 | 66 | (online) | |
| 2021 | 65 | (online) | |
| 2020 | 64 | (cancelled) | |
| 2019 | 63 | USA | Corvallis |
| 2018 | 62 | USA | Corvallis |
| 2017 | 61 | Austria |Vienna |
| 2016 | 60 | USA | Boulder |
| 2015 | 59 | Germany | Berlin |
| 2014 | 58 | USA | Washington DC |
| 2013 | 57 | Vietnam | Hai Phong |
| 2012 | 56 | USA |San Jose |
| 2011 | 55 | UK | Hull |
| 2010 | 54 | Canada | Waterloo, Ontario |
| 2009 | 53 | Australia | Brisbane |
| 2008 | 52 | USA |Madison |
| 2007 | 51 | Japan |Tokyo |
| 2006 | 50 | USA | Sonoma (Rohnert Park, CA) |
| 2005 | 49 | Mexico | Cancun |
| 2004 | 48 | USA | Asilomar (Pacific Grove, CA) |
| 2003 | 47 | Greece | Crete (Hersonissos) |
| 2002 | 46 | China | Shanghai (PuDong) |
| 2001 | 45 | USA | Asilomar (Pacific Grove, CA) |
| 2000 | 44 | Canada | Toronto, ON | 2000 Video YouTube Playlist
| 1999 | 43 | USA | Asilomar (Pacific Grove, CA) |
| 1998 | 42 | USA | Atlanta, GA |
| 1997 | 41 | Korea | Seoul |
| 1996 | 40 | USA and Hungary | Louisville, KY (July) and Budapest (Sept) |
| 1995 | 39 | Netherlands | Amsterdam |
| 1994 | 38 | USA | Asilomar (Pacific Grove, CA) |
| 1993 | 37 | Australia | Hawkesbury, NSW |
| 1992 | 36 | USA | Denver, CO |
| 1991 | 35 | Sweden | Ostersund |
| 1990 | 34 | USA | Portland, OR |
| 1989 | 33 | Scotland | Edinburgh, Scotland |
| 1988 | 32 | USA | St Louis, MO |
| 1987 | 31 | Hungary | Budapest |
Annual Meetings of the International Society for General Systems Research (not with AAAS now on)
| 1986 | 30 | USA | Philadelphia, PA |
| 1985 | 29 | USA | Los Angeles, CA |
| 1984 | 28 | USA | New York, NY |
| 1983 | 27 | USA | Detroit, MI |
| 1982 | 26 (Jan 5-9) | USA | Washington, DC |
| 1981 | 25 (Jan 6-10) | Canada | Toronto, ON |
Annual Meetings of the International Society for General Systems Research
| 1980 | 24 (Jan 7-10) | USA | San Francisco, CA |
| 1979 | 23 (Jan 3-8), with AAAS (25th) | USA | Houston, TX
| 1979 | SP (August) | England | London | 25th "Silver" anniversary of the society's founding in 1954 | First International meeting |
| 1978 | 22 Feb 13-15 with AAAS | USA | Washington, DC |
| 1977 | 21 (Feb 20-26) | USA | Denver, CO |
| 1976 | 20 | USA | Boston, MA |
| 1975 | 19 (February 18-21) with AAAS | USA | Boston, MA |
| 1974 | 18 (February 25-March 2) with AAAS | USA | San Francisco, CA |
| 1973 | 17 (Apr 14) Mid-Atlantic | USA | The American University, Washington, DC |
| 1972 | 16 (Sep 30) Mid-Atlantic | USA | Washington, DC |
| 1971 | 15 (December 27-30), with AAAS | USA | Philadelphia, PA | The World System
| 1970 | 14 (December 26-30), with AAAS (16th) | USA | Chicago, IL | World Cities of the Future
| 1969 | 13 (December 27-30), with AAAS (15th) | USA | Boston, MA | (various themes)
| 1968 | 12 (December 26-30), with AAAS (14th) | USA | Dallas, TX | Man in Systems
| 1967 | 11 (December 26-30), with AAAS (13th) | USA | New York | (various themes)
| 1966 | 10 (December 26-30), with AAAS (12th) | USA | Washington | (various themes, particularly: Symbolism)
| 1965 | 9 (December 27-31), with AAAS (11th) | USA | Berkeley, CA | various themes
| 1964 | 8 (December 26-31), with AAAS (10th) | Canada | Montreal, Quebec | Positive feedback
| 1963 | 7 (December 27), with AAAS (9th) | USA | Cleveland, OH | General Systems and the Two Cultures
| 1962 | 6 (December 26-31), with AAAS (8th) | USA | Philadelphia, PA |
| 1961 | 5 (December 29), with AAAS (7th) | USA | Denver, CO | The Teaching of Systems Thinking
| 1960 | 4 (December 29-30), with AAAS (6th) | USA | New York | The Boundaries of Systems
| 1959 | 3 (December 29-30), with AAAS (5th) | USA | Chicago, IL | The Synthesis of Organization
| 1958 | 2 (December 29), with AAAS (4th) | USA | Washington, DC | Population Dynamics
| 1957 | 1 (December 26-31), with AAAS (3rd AAAS meeting) | USA | Indianapolis, IN | Organization for Humans, Cells and Artifacts
Formation as the Society for the Advancement of General Systems Theory
| 1956 | -1 (Dec 29-30), founding meeting as a chapter in AAAS | USA | New York | Systems under stress
| 1955 | -2 (Dec 27) founding meetings and papers, with AAAS | USA | Atlanta, GA | Entropy
| 1954 | -3 (Dec 27) organizational meeting, in AAAS | USA | Berkeley, CA |