YearCountryCountriesContestantsAwardsMax.
pts.EfficiencyCut-offsData quality
AllMFGSBHMGSBSNMG
2019United Kingdom
2018Romania
2017Brazil
2016Hong Kong
2015Thailand104577525523910014312642261914
2014South Africa101560504564911313315142292216
2013Colombia975274755245921411414237.16%312415
2012Argentina1005484975151881381484234.19%282114
2011Netherlands1015645075754901371214235.00%282216
2010Kazakhstan9752347047471041151604235.65%272115
2009Germany104565506594998135964235.92%322414
2008Spain9753548055471001201034235.91%312215
2007Vietnam935204714939831311494233.18%292114
2006Slovenia904984603842891221394234.46%281915
2005Mexico91513470434279128684232.97%352312
2004Greece85486351374578120784238.63%322416
2003Japan824573312937691041164231.16%291913
2002United Kingdom84479336373973120664233.73%292314
2001United States of
America83473440333981122374230.50%302011
2000Republic of Korea82461336313971119514231.86%302111
1999Romania81450316373870118124231.72%281912
1998Taiwan76419297303766102564235.17%312414
1997Argentina82460315283970122784238.25%352515
1996India7542430925356699224229.66%282012
1995Canada73412300263071100994245.12%372919
1994Hong Kong6938528025306498924247.97%403019
1993Turkey7341329333356697124229.97%302011
1992Russian Federation5632227114265574314238.88%322414
1991Sweden5631827117205184514245.11%393119
1990People's Republic of
China5430823712235676324240.86%342316
1989Germany5029121113205572644245.05%383018
1988Australia4926825117174865334236.17%322314
1987Cuba4223716072242564247.44%423218
1986Poland3721014571841484243.18%342617
1985Finland3820915171435524235.46%342215
1984Czechoslovakia3419213231435494242.41%402617
1983France321861788927574236.67%382615
1982Hungary301198821020314249.49%373021
1981United States of America2718515593637304263.25%413426
1979United Kingdom231661161832424049.35%372920
1978Romania171321123520384050.96%352722
1977Yugoslavia2115513221329354043.90%342417
1976Austria181391174928454042.73%342315
1975Bulgaria17135992825364055.44%383223
1974German Democratic Republic1814012421024374055.87%383023
1973Union of Soviet Socialist
Republics161251152515484044.06%352717
1972Poland14107902816304047.07%403019
1971Czechoslovakia15115893712294227.97%352311
1970Hungary14112945711404048.37%373019
1969Romania14112956320214050.00%403024
1968Union of Soviet Socialist
Republics1296882222204070.75%393326
1967Yugoslavia13998211114264251.85%383022
1966Bulgaria9725911315114074.47%393431
1965German Democratic Republic1080639812174050.43%383020
1964Union of Soviet Socialist
Republics97254479194261.37%383127
1963Poland864532711174055.78%352821
1962Czechoslovakia756484412154661.41%413429
1961Hungary648345344194056.40%373430
1960Romania53932144474456.29%403733
1959Romania752416335104051.82%373633
Gender of some contestants is not known. Please send relevant
information to the
webmaster:[email protected]:Gregor
Dolinar(Secretary of the IMO Advisory Board) Web
