| Year | Location | Sponsor | Winner(s) | 
		
			| 2025 | Minneapolis, Minnesota, USA | Psychometric Society | Frantisek Bartos; Yifan Zhang; Matheus de Melo Rodrigues | 
		
			|  |  | DuoLingo | Timo Seitz; Trung T.Q. Le; Sunbeom Kwon | 
		
			|  |  | EdAstra Tech | Jordan Revol | 
		
			|  |  | Mplus | Nany Luo; Yuxiao Zhang | 
		
			|  |  | Vector | Lijin Zhang; Kyuri Park; Jing Huang | 
		
			| 2024 | Prague, Czech Republic | Psychometric Society | Simran Johal; He Ren; Graham Burhman | 
		
			|  |  | DuoLingo | Elaine Chiu; Yilin Li | 
		
			|  |  | EdAstra Tech | Lara Russel-Lasalandra; Paulina Grekov | 
		
			|  |  | ETS | Muwon Kwon | 
		
			|  |  | Mplus | Yunhang Yin; Phillipp Sterner | 
		
			|  |  | Journal of Intelligence | Matthias Kloft; Xinyi Liu | 
		
			| 2023 | College Park, Maryland, USA | Psychometric Society | Viola Merhof; Haley Yaremych; Lindley Slipetz | 
		
			| 2022 | Bologna, Italy | Psychometric Society | Pablo F. Cáncer; Camilo Cardenares; Hannelies de Jonge; Jana Dlouha; Kylie Gorney; Sydne McCluskey; Evelien Schat; Philipp Sterner; Ai Ye | 
		
			|  |  | Duolingo | Katrin Jansen; Anna Wysock | 
		
			|  |  | EdAstra Tech | Lubomir Stepanek; Abhishek Kumar | 
		
			| 2019 | Santiago, Chile | Psychometric Society | Leonie V.D.E. Vogelsmeier; Zachary Fisher; Mirka Henninger | 
		
			|  |  | ACTNext | Esther Ulitzsch | 
		
			|  |  | CEMO | Andrés Christiansen | 
		
			|  |  | ETS | Claudia Evelyn Escobar Montecino | 
		
			|  |  | Vector Psychometric Group | Shuo (Selena) Wang | 
		
			|  |  | Journal of Intelligence | Joost Kruis | 
		
			| 2018 | New York, New York, USA | Psychometric Society | Lennart Schneider; Inés Varas; Ian Campbell | 
		
			|  |  | ACTNext | Elena Geminiani | 
		
			|  |  | CEMO | Jedelyn Cabrieto; Joost Kruis | 
		
			|  |  | ETS | Saemi Park | 
		
			|  |  | Vector Psychometric Group | Rehab Al-Hakmani | 
		
			| 2017 | Zürich, Switzerland | Psychometric Society | Chuchu Cheng; Justin Luningham; Naoto Yamashita | 
		
			|  |  | CEMO | Joost Kruis; Qian Wu; Robbie van Aert | 
		
			|  |  | ACTNext | Yang Liu | 
		
			|  |  | ETS | Hok Kan Ling | 
		
			|  |  | Vector Psychometric Group | Zhuoran Shang | 
		
			| 2016 | Asheville, North Carolina, USA | Psychometric Society | Ivan Jacob Agaloos Pesigan; Adéla Drabinová; Kevin Duisters; Jessica Jacovidis; Katerina Marcoulides; Daniel McArtor; Jason Rights; Samantha Robinson; Lisa Wijsen | 
		
			|  |  | ETS | Patrick Miller | 
		
			| 2015 | Beijing, China | Pearson | Yunxiao Chen; Sien Deng; Sacha Epskamp; Joseph H. Grochowalski; Lianne Ippel; Hyeon-Ah (Annie) Kang; Xiaoou Li; Zhen Li; Chen-Wei Liu; Merijn Mestdagh; Abhisek Saha; Kevin Carl Santos; Can Shao; Shiyu Wang | 
		
			|  |   | Psychometric Society | Kohei Uno; Claudia van Borkulo; Xi Wang | 
		
			|  |   | ETS | Lihong Yang | 
		|
		
			| 2014 | Madison, Wisconsin, USA | Psychometric Society | Alice M. Brawley; Marjolein Fokkema; Wei Xu | 
		
			|  |   | ETS | Megan Kuhfeld | 
		
			| 2013 | Arnhem, Netherlands | Psychometric Society | Jinah Choi; Daniel Morillo; Sedat Sen | 
		
			|  |   | ETS | Daphna Harel | 
		
			| 2012 | Lincoln, Nebraska, USA | Psychometric Society | Zairul Nor Deana Desa; Rivka de Vries; Hye Won Suk | 
		
			|  |  | ETS | Renske E. Kuijpers | 
		
			| 2011 | Hong Kong | Psychometric Society | In-Hee Choi; Younyoung Choi; Shuyan Sun | 
		
			|  |  | ETS | Josine Verhagen | 
		
			| 2010 | Athens, Georgia, USA | Psychometric Society | Jyun-Hong Chen; Gabriela Gonzalez Marin; Nuo Xi | 
		
			|  |  | ETS | Sarah Depaoli; Qiwei He; Johnny Lin | 
		
			| 2009 | Cambridge, UK | ETS | Beth Ayers | 
		
			| 2008 | Durham, New Hampshire, USA | ETS | Jodi Casabianca; Peter Halpin; Hao Wu | 
		
			| 2007 | Tokyo, Japan | ETS | Matthijs Warrens; Hsiu-Ting Yu | 
		
			| 2006 | Quebec, Canada | ETS | Li Cai; Bobby Naemi | 
		
			| 2005 | Tilburg, Netherlands | ETS | Donna L. Coffman; David Magis | 
		
			| 2004 | Monterey, California, USA | ETS | Anna Villa Dagohoy; Tzur Karelitz |