| Congress | Year | Place | President | Secretaries-General |
| I | 1951 | London | Sir Lionel Whitby | Wm. McMenemey |
| II | 1954 | Washington | John R. Schenken | C. G. Culbertson |
| III | 1957 | Brussels | JeanCharles Firket | Maurice Welsch |
| IV | 1960 | Madrid | Antonio Utrilla-D | J. Apancio-G |
| V | 1963 | Mexico | Antiago Fraga-0 | Ernesto Cervera |
| VI | 1966 | Rome | T. DeSanctis Monaldi | Bruno Delia Vida |
| VII | 1969 | Montreal | Alec C. Ritchie | Donald W. Penner |
| VIII | 1972 | Munich | Martin Nordmann | Hermann Lommel |
| IX | 1975 | Sydney | Peter I. A. Hendry | Robert A. Osborn |
| X | 1978 | Rio de Janeiro | Jose Pinheiro | Evaldo Melo |
| XI | 1981 | Jerusalem | Henry Ungar | Emanuel Levy |
| XII | 1983 | Tokyo | Nozomu Kosakai | Tadashi Kawai |
| XIII | 1985v | Brighton | G.W.Pennington | Colin C. Berry |
| XIV | 1987 | Washington | R.L. Breckenridge | Tyra T. Hutchens |
| XV | 1989 | Florence | Guiseppe Bugiardini | Manfredo Fanfani |
| XVI | 1991 | Vancouver | Michael McNeely | John Jacques/Gino Montessori |
| XVII | 1993 | Acapulco | Guillermo Santoscoy-Gomez | Francisco Resano |
| XVIII | 1995 | Auckland | H. Konrad Muller | Antony N. Barker |
| XIX | 1997 | Versailles | Gerard Gallez | Christine Ferriere |
| XX | 1999 | SÃo Paulo | Evaldo Melo | Maria E. Mendes |
| XXI | 2001 | Dusseldorf | Hans Reinauer | William G. Wood |
| XXII | 2003 | Busan | Han-Ik Cho | Oh Hun Kwo |
| XXIII | 2005 | Istanbul | Gamze Mocan Kuzey | Arzu Sungur |
| XXIV | 2007 | Kuala Lumpur | Lai-Meng Looi | Laie Leslie |
| XXV | 2009 | Sydney | Beverley Rowbotham | Chris Hemmings |
| XXVI | 2011 | United States | John Tomaszewski | None |
| XXVII | 2013 | Canada | Jagdish Butany | None |
| XXVIII | 2015 | Mexico | Roberto Ruiz-Arenas | Alberto Vázquez-Mellado |
| XXIX | 2017 | Kyoto | Masami Murakami | Toshiyuki Yamada Website |
| XXX | 2019 | Xi’an, China | Hong Shang | Wei Cui Program |
| XXXI | 2022 | Punta del Este, Uruguay | Raquel Ballesté | Walter Alallon Save the date |
| XXXII | 2023 | Sao Paulo, Brasil | Cristóvão Luis Pitangueira Mangueira, Walter Alallon | Program |
| XXXIII | 2024 | Antalya, Turkey | Walter Alallon | Website |
WASPaLM
World Congresses