2019
Yogyakarta / Solo (Indonesia) – Utrecht (Netherlands)
2018
Abidjan (Ivory Coast) – Brussels (Belgium)
2017
Santa Cruz de la Sierra (Bolivia) – Buenos Aires (Argentina)
2016
Kampala (Uganda) – London (UK)
2015
Varna (Bulgaria) – Bonn (Germany)
2014
Arequipa (Peru) – Los Angeles (USA)
2013
Davangere (India) – Liverpool (UK)
Ludhiana (India) – Detroit (USA)
2012
Hanoi (Vietnam) – Melbourne (Australia)
2011
Manado (Indonesia) – Utrecht (Netherlands)
2010
Delhi (India) – Winnipeg (Canada)
Yaoundé (Cameroon) – Geneva (Switzerland)
2009
Chisinau (Moldova) – Warsaw (Poland)
Colombo (Sri Lanka) – Vellore (India)
2008
Gaborone (Botswana) – Philadelphia (USA)
2007
Vientiane (Laos) – Brest (France)
Damascus (Syria) – Montpellier (France)
2006
Lima (Peru) – Fort Worth (USA)
2005
Yerevan (Armenia) – Minneapolis (USA)
Casablanca (Morocco) – Caen (France)
2004
Beirut (Lebanon) – Geneva (Switzerland)
Santo Domingo (Dominican Republic) – Caracas (Venezuela)
2003
Cairo (Egypt) – Knoxville (USA)
2002
Moscow (Russia) – Liverpool (UK)
Panama – Valencia (Spain)
2001
Bangalore (India) – St. Louis (USA)
2000
Pune (India) – Bradford (UK)
1999
Montevideo (Uruguay) – Buenos Aires (Argentina)
Tianjin (China) – Calgary (Canada)
1998
Plovdiv (Bulgaria) – Bonn (Germany)
1997
Bogota (Colombia) – Los Angeles (USA)
Tartu (Estonia) – Stockholm (Sweden)
1996
Timisoara (Romania) – Munich (Germany)
Riga (Latvia) – Munster (Germany)
1995
Klaipeda (Lithuania) – Malmo (Sweden)
1994
Bratislava (Slovakia) – Tel Hashomer (Israel)
2019
Madagascar – Brittany (France)
2018
Kenya – Scotland
2017
Mongolia – Manitoba (Canada)
2016
Tanzania – Ontario (Canada)
2015
Bangladesh – Canada
2014
Nicaragua – Quebec (Canada)
2013
Mauritius – South Africa
2012
Vietnam – Ireland
2011
Cambodia – New Zealand
2010
Tunisia – Quebec (Canada)
2009
Peru – Galicia (Spain)
2008
South Africa – Canada
2007
Honduras – Georgia (USA)
2006
Bosnia and Herzegovina – Ireland
2005
Pakistan – Malaysia
2004
Dominican Republic – Venezuela
2003
Jordan – Toronto (Canada)
2002
Nicaragua – Venezuela
2001
Philippines – Victoria (Australia)
2000
Georgia – Minnesota (USA)
Uruguay – Argentina
1999
Nepal – Sweden
Mexico – Texas (USA)
1998
Latvia – Germany
1997
India – Denmark
1995
Israel – Slovakia