History
| Year | Congress | City | Country | Congress President | City, Country of President |
| 2019 | 48th | Krakow | Poland | Hill A.G. | Auckland, New Zealand |
| 2017 | 47th | Basel | Switzerland | Patti M.G. | Chapel Hill NC, USA |
| 2015 | 46th | Bangkok | Thailand | Wora-Urai N. | Bangkok, Thailand |
| 2013 | 45th | Helsinki | Finland | Akerström G. | Uppsala, Sweden |
| 2011 | 44th | Yokohama | Japan | Boffard K.D. | Johannesburg, South Africa |
| 2009 | 43rd | Adelaide | Australia | Sarr M.G. | Rochester MN, USA |
| 2007 | 42nd | Montréal | Canada | Kitajima M. | Yokohama, Japan |
| 2005 | 41st | Durban | South Africa | Siewert J.R. | Munich, Germany |
| 2003 | 40th | Bangkok | Thailand | Cancelled | |
| 2001 | Centennial | Brussels | Belgium | Morris P.J. | Oxford, UK |
| 1999 | 38th | Vienna | Austria | Wells Jr. S.A. | Chicago IL, USA |
| 1997 | 37th | Acapulco | Mexico | Brown A.R | Sydney, Australia |
| 1995 | 36th | Lisbon | Portugal | Idezuki Y. | Saitama, Japan |
| 1993 | 35th | Hong Kong | Hong Kong | Trede M. | Mannheim, Germany |
| 1991 | 34th | Stockholm | Sweden | Nyhus L.M. | Chicago IL, USA |
| 1989 | 33rd | Toronto | Canada | Patiño J.F. | Bogota, Columbia |
| 1987 | 32nd | Sydney | Australia | Bergentz S.-E. | Malmö, Sweden |
| 1985 | 31st | Paris | France | Hardy J.D. | Jackson MS, USA |
| 1983 | 30th | Hamburg | Germany | Ong G.B. | Hong Kong |
| 1981 | 29th | Montreux | Switzerland | Marcadier M. | Paris, France |
| 1979 | 27th | San Francisco | USA | Allgöwer M. | Basel, Switzerland |
| 1977 | 25th | Kyoto | Japan | Holmes-Sellors T. | Aylesbury, UK |
| 1975 | 23rd | Edinburgh | UK | Gerbode F. | San Francisco, USA |
| 1973 | 22nd | Barcelona | Spain | Linder F. | Heidelberg, Germany |
| 1971 | 21st | Moscow | UdSSR | Petrovsky B.V. | Moscow, UdSSR |
| 1969 | 20th | Buenos Aires | Argentina | Fontaine R. | Strassbourg, France |
| 1967 | 19th | Vienna | Austria | Sandblom P. | Lund, Sweden |
| 1965 | 18th | Philadelphia | USA | Valdoni P. | Rome, Italy |
| 1963 | 17th | Rome | Italy | Ochsner A. | New Orleans LA, USA |
| 1961 | 16th | Dublin | Ireland | Dahl-Iversen E. | Copenhagen, Denmark |
| 1959 | 15th | Munich | Germany | Mirizzi P. | Cordoba, Argentina |
| 1957 | 14th | Mexico | Mexico | Denk W. | Vienna, Austria |
| 1955 | 13th | Copenhagen | Denmark | Graham E.A. | St.Louis MO, USA |
| 1953 | 12th | Lisbon | Portugal | Dos Santos R. | Lisbon, Portugal |
| 1951 | 11th | Paris | France | Leriche R. | Paris, France |
| 1949 | 10th | New Orleans | USA | Grey Turner G. | London, UK |
| 1947 | 9th | London | UK | Mayer L. | Brussels, Belgium |
| 1938 | 8th | Brussels | Belgium | Matas R. | New Orleans LA, USA |
| 1935 | 7th | Cairo | Egypt | Schoemaker J. | The Hague, Netherlands |
| 1932 | 6th | Madrid | Spain | De Quervain F. | Berne, Switzerland |
| 1929 | 5th | Warsaw | Poland | Hartmann H. | Paris, France |
| 1926 | 4th | Rome | Italy | Girdano D. | Venice, Italy |
| 1923 | 3rd | London | UK | MacEwen W. | Glasgow, UK |
| 1920 | 2nd | Paris | France | Keen W.W. | Philadelphia PA, USA |
| 1914 | 1st | New York | USA | Depage A. | Brussels, Belgium |
| 1911 | Brussels | Belgium | Lucas-Championnière J. | Paris, France | |
| 1908 | Brussels | Belgium | Czerny V. | Heidelberg, Germany | |
| 1905 | Brussels | Belgium | Kocher T. | Berne, Switzerland |
