World Swimming Champions (long course)

1973 in Beograd Yugoslavia (31/8-9/9 1973)

Men

100m freestyle: Jim Montgomery (United States)
200m freestyle: Jim Montgomery (United States)
400m freestyle: Rick DeMont (United States)
1,500m freestyle: Stephen Holland (Australia)
100m backstroke: Roland Matthes (East Germany)
200m backstroke: Roland Matthes (East Germany)
100m breastroke: John Hencken (United States)
200m breastroke: David Wilkie (Great Britain)
100m butterfly: Bruce Robertson (Canada)
200m butterfly: Robin Backhaus (United States)
200m individual medley: Gunnar Larsson (Sweden)
400m individual medley: Andras Hargitary (Hungary)
4x100 freestyle relay: United States
4x200 freestyle relay: United States
4x100 medley relay: United States

Women

100m freestyle: Kornelie Ender (East Germany)
200m freestyle: Keena Rothhammer (United States)
400m freestyle: Heather Greenwood (United States)
800m freestyle: Novella Calligaris (Italy)
100m backstroke: Ulrike Richter (East Germany)
200m backstroke: Melissa Belote (United States)
100m breastroke: Renate Vogel (East Germany)
200m breastroke: Renate Vogel (East Germany)
100m butterfly: Kornelia Ender (East Germany)
200m butterfly: Rosemarie Kother (East Germany)
200m individual medley: Andrea Hubner (East Germany)
400m individual medley: Gudrun Wegner (East Germany)
4x100m freestyle relay: East Germany
4x100m medley relay: East Germany

1975 in Cali Colombia (19-27/7 1975)

Men

100m freestyle: Andy Coan (United States)
200m freestyle: Tim Shaw (United States)
400m freestyle: Tim Shaw (United States)
1,500m freestyle: Tim Shaw (United States)
100m backstroke: Roland Matthes (East Germany)
200m backstroke: Zsoltan Verraszto (Hungary)
100m breastroke: David Wilkie (Great Britain)
200m breastroke: David Wilkie (Great Britain)
100m butterfly: Greg Jagenburg (United States)
200m butterfly: Bill Forrester (United States)
200m individual medley: Andras Hargitary (Hungary)
400m individual medley: Andras Hargitary (Hungary)
4x100 freestyle relay: United States
4x200 freestyle relay: West Germany
4x100 medley relay: United States

Women

100m freestyle: Kornelie Ender (East Germany)
200m freestyle: Shirley Babashoff (United States)
400m freestyle: Shirley Babashoff (United States)
800m freestyle: Jenny Turrall (Australia)
100m backstroke: Ulrike Richter (East Germany)
200m backstroke: Birgit Treiber (East Germany)
100m breastroke: Hannelore Anke (East Germany)
200m breastroke: Hannelore Anke (East Germany)
100m butterfly: Kornelia Ender (East Germany)
200m butterfly: Rosemarie Kother (East Germany)
200m individual medley: Kathy Heddy (United States)
400m individual medley: Ulrike Tauber (East Germany)
4x100m freestyle relay: East Germany
4x100m medley relay: East Germany

1978 in West Berlin West Germany (20-28/8 1978)

Men

100m freestyle: David McCagg (United States)
200m freestyle: Bill Forrester (United States)
400m freestyle: Vladimir Salnikov (Soviet Union)
1,500m freestyle: Vladimir Salnikov (Soviet Union)
100m backstroke: Bob Jackson (United States)
200m backstroke: Jesse Vassallo (United States)
100m breastroke: Walter Kusch (West Germany)
200m breastroke: Nick Nevid (United States)
100m butterfly: Joe Bottom (United States)
200m butterfly: Mike Bruner (United States)
200m individual medley: Graham Smith (Canada)
400m individual medley: Jesse Vasallo (United States)
4x100 freestyle relay: United States
4x200 freestyle relay: United States
4x100 medley relay: United States

Women

100m freestyle: Barbara Krause (East Germany)
200m freestyle: Cynthia Woodhead (United States)
400m freestyle: Tracey Wickham (Australia)
800m freestyle: Tracey Wickham (Australia)
100m backstroke: Linda Jezek (United States)
200m backstroke: Linda Jezek (United States)
100m breastroke: Julia Bogdanova (Soviet Union)
200m breastroke: Lina Kaciusyte (Soviet Union)
100m butterfly: Joan Pennington (United States)
200m butterfly: Tracy Caulkins (United States)
200m individual medley: Aracy Caulkins (United States)
400m individual medley: Gracy Caulkins (United States)
4x100m freestyle relay: United States
4x100m medley relay: United States

1982 in Guayaquil Ecuador (29/7-8/8 1982)

Men

100m freestyle: Jorg Woithe (East Germany)

200m freestyle: Michael Gross (West Germany)

400m freestyle: Vladimir Salnikov (Soviet Union)

1500m freestyle: Vladimir Salnikov (Soviet Union)

100m backstroke: Dirk Richter (East Germany)

200m backstroke: Rick Carey (United States)

100m breastroke: Steve Lundquist (United States)

200m breastroke: Victor Davis (Canada) 

100m butterfly: Matt Gribble (United States)

200m butterfly: Michael Gross (West Germany)

200m individual medley: Aleksandr Sidorenko (Soviet Union)

400m individual medley: Ricardo Prado (Brazil)

4x100m freestyle relay: United States 

4x200m freestyle relay: United States 

4x100m medley relay: United States

Women

100m freestyle: Birgit Meineke (East Germany)

200m freestyle: Annemarie Verstappen (Netherlands)

400m freestyle: Carmelia Schmidt (East Germany)

800m freestyle: Kim Linehan (United States)

100m backstroke: Kristin Otto (East Germany)

200m backstroke: Cornelia Sirch (East Germany)

100m breastroke: Ute Geweniger (East Germany)

200m breastroke: Svetlana Varganova (Soviet Union)

100m butterfly: Mary T. Meagher (United States)

200m butterfly: Ines Greissler (East Germany)

200m individual medley: Petra Schneider (East Germany)

400m individual medley: Petra Schneider (East Germany)

4x100m freestyle relay: East Germany 

4x100m medley relay: East Germany

1986 in Madrid Spain (13-23/8 1986)

Men

50m freestyle: Tom Jager (United States)
100m freestyle: Matt Biondi (United States)
200m freestyle: Michael Gross (West Germany)
400m freestyle: Rainer Henkel (West Germany)
1500m freestyle: RAiner Henkel (West Germany)
100m backstroke: Igor Polyansky (Soviet Union)
200m backstroke: Igor Polyansky (Soviet Union)
100m breastroke: Victor Davis (Canada)
200m breastroke: Joszef Szabo (Hungary)
100m butterfly: Pablo Morales (United States)
100m butterfly: Michael Gross (West Germany)
200m individual medley: Tamas Darnyi (Hungary)
400m individual medley: Tamas Darnyi (Hungary)
4x100m freestyle relay: United States
4x200m freestyle relay: East Germany
4x100m medley relay: United States

Women

50m freestyle: Tamara Costache (Romania)
100m freestyle: Kristin Otto (East Germany)
200m freestyle: Heike Friedrich (East Germany)
400m freestyle: Heike Friedrich (East Germany)
800m freestyle: Astrid Krauss (East Germany)
100m backstroke: Betsy Strauss (United States)
200m backstroke: Cornelia Sirch (East Germany)
100m breastroke: Sylvia Gerasch (East Germany)
200m breastroke: Silke Horner (East Germany)
100m butterfly: Kornelia Gressler (East Germany)
100m butterfly: Mary T. Meagher (United States)
200m individual medley: Kristin Otto (East Germany)
400m individual medley: Kathleen Nord (East Germany)
4x100m freestyle relay: East Germany
4x200m freestyle relay: East Germany
4x100m medley relay: East Germany

1991 in Perth Australia (3-13/1 1991)
1994 in Rome Italy (1-11/9 1994)
1998 in Perth Australia (8-17/1 1998)
2001 in Fukuoka Japan (16-29/7 2001)
2003 in Barcelona Spain (12-27/7 2003)
2005 in Montreal Canada (16-31/7 2005)
2007 in Melbourne Australia (18/1-1/4 2007)
2009 in Rome Italy (17/7-2/8 2009)
2011 in Shanghai China (16-31/7 2011)

2013 in Barcelona Spain (20/7-4/8 2013)

Men

50m freestyle: Cesar Cielo (Brazil)
100m freestyle: James Magnussen (Australia)
200m freestyle: Yannick Agnel (France)
400m freestyle: Sun Yang (PR of China)
800m freestyle: Sun Yang (PR of China)
1500m freestyle: Sun Yang (PR of China)
50m backstroke: Camille Lacourt (France)
100m backstroke: Matt Grevers (United States)
200m backstroke: Ryan Lochte (United States)
100m breastroke: Christian Sprenger (Australia)
200m breastroke: Daniel Gyurta (Hungary)
50m butterfly: Cesar Cielo (Brazil)
100m butterfly: Chad le Clos (South Africa)
200m butterfly: Chad le Clos (South Africa)
200m individual medley: Ryan Lochte (United States)
400m individual medley: Daiya Seto (Japan)
4x100m freestyle relay: France (Agnel-Manaudou-Gilot-Stravius)
4x200m freestyle relay: United States (Dwyer-Lochte-Houchin-Berens)
4x100m medley relay: France (Lacourt-d'Ortona-Stravius-Gilot)

Women

50m freestyle: Ranomi Kromowidjojo (Netherlands)
100m freestyle: Cate Campbell (Australia)
200m freestyle: Missy Franklin (United States)
400m freestyle: Katie Ledecky (United States)
800m freestyle: Katie Ledecky (United States)
1500m freestyle: Katie Ledecky (United States)
50m backstroke: Zhao Jing (PR of China)
100m backstroke: Missy Franklin (United States)
200m backstroke: Missy Franklin (United States)
50m breastroke: Yuliya Yefimova (Russia)
100m breastroke: Ruta Meilutyte (Lithuania)
200m breastroke: Yuliya Yefimova (Russia)
50m butterfly: Jeanette Ottesen (Denmark)
100m butterfly: Sarah Sjostrom (Sweden)
200m butterfly: Liu Zige (PR of China)
200m individual medley: Katinka Hosszu (Hungary)
400m individual medley: Katinka Hosszu (Hungary)
4x100m freestyle relay: United States (Franklin-Coughlin-Vreeland-Romano)
4x200m freestyle relay: United States (Ledecky-Vreeland-Bispo-Franklin)
4x100m medley relay: United States (Franklin-Hardy-Vollmer-Romano)