International Mathematical Olympiad

Results

Ranking of countries • Cumulative results by year • Cumulative results by country

Number of contestants

Year	Country	Countries	Contestants			Awards				Max. pts.	Efficiency	Cut-offs
Year	Country	Countries	All	M	F	G	S	B	HM	Max. pts.	Efficiency	G	S	B
2012	Argentina
2011	Netherlands
2010	Kazakhstan	97	517	470	47	47	104	115	160	42	36.06%	27	21	15
2009	Germany	104	565	506	59	49	98	135	96	42	35.92%	32	24	14
2008	Spain	97	535	480	55	47	100	120	103	42	35.91%	31	22	15
2007	Vietnam	93	520	472	48	39	83	131	149	42	33.18%	29	21	14
2006	Slovenia	90	498	460	38	42	89	122	139	42	34.46%	28	19	15
2005	Mexico	91	513	470	43	42	79	128	68	42	32.97%	35	23	12
2004	Greece	85	486	333	36	45	78	120	78	42	38.63%	32	24	16
2003	Japan	82	457	311	28	37	69	104	116	42	31.16%	29	19	13
2002	United Kingdom	84	479	323	35	39	73	120	66	42	33.73%	29	23	14
2001	United States of America	83	473	440	33	39	81	122	37	42	30.50%	30	20	11
2000	Republic of Korea	82	461	316	31	39	71	119	51	42	31.86%	30	21	11
1999	Romania	81	450	285	36	38	70	118	12	42	31.72%	28	19	12
1998	Taiwan	76	419	267	29	37	66	102	56	42	35.17%	31	24	14
1997	Argentina	82	460	281	26	39	70	122	78	42	38.25%	35	25	15
1996	India	75	424	275	24	35	66	99	22	42	29.66%	28	20	12
1995	Canada	73	412	266	25	30	71	100	99	42	45.12%	37	29	19
1994	Hong Kong	69	385	245	24	30	64	98	92	42	47.97%	40	30	19
1993	Turkey	73	413	252	32	35	66	97	12	42	29.97%	30	20	11
1992	Russian Federation	56	322	228	11	26	55	74	31	42	38.88%	32	24	14
1991	Sweden	56	318	208	9	20	51	84	51	42	45.11%	39	31	19
1990	People's Republic of China	54	308	207	7	23	56	76	32	42	40.86%	34	23	16
1989	Germany	50	291	185	13	20	55	72	64	42	45.05%	38	30	18
1988	Australia	49	268	174	13	17	48	65	33	42	36.17%	32	23	14
1987	Cuba	42	237	142	7	22	42	56		42	47.44%	42	32	18
1986	Poland	37	210	132	6	18	41	48		42	43.18%	34	26	17
1985	Finland	38	209	135	7	14	35	52		42	35.46%	34	22	15
1984	Czechoslovakia	34	192	109	3	14	35	49		42	42.41%	40	26	17
1983	France	32	186	118	5	9	27	57		42	36.67%	38	26	15
1982	Hungary	30	119	84	2	10	20	31		42	49.49%	37	30	21
1981	United States of America	27	185	147	9	36	37	30		42	63.25%	41	34	26
1979	United Kingdom	23	166	90	1	8	32	42		40	49.35%	37	29	20
1978	Romania	17	132	82	3	5	20	38		40	50.96%	35	27	22
1977	Yugoslavia	21	155	124	2	13	29	35		40	43.90%	34	24	17
1976	Austria	18	139	109	4	9	28	45		40	42.73%	34	23	15
1975	Bulgaria	17	135	91	2	8	25	36		40	55.44%	38	32	23
1974	German Democratic Republic	18	140	111	1	10	24	37		40	55.87%	38	30	23
1973	Union of Soviet Socialist Republics	16	125	94	2	5	15	48		40	44.06%	40	27	19
1972	Poland	14	107	82	2	8	16	30		40	47.07%	40	30	19
1971	Czechoslovakia	15	115	81	3	7	12	29		42	27.97%	35	23	11
1970	Hungary	14	112	81	5	7	11	40		40	48.37%	37	30	19
1969	Romania	14	112	74	3	3	20	21		40	50.00%	40	30	24
1968	Union of Soviet Socialist Republics	12	96	83		22	22	20		40	70.75%	39	33	26
1967	Yugoslavia	13	99	82	1	11	14	26		42	51.85%	38	30	22
1966	Bulgaria	9	72	59	1	13	15	11		40	74.47%	39	34	31
1965	German Democratic Republic	10	80	63	9	8	12	17		40	50.43%	38	30	20
1964	Union of Soviet Socialist Republics	9	72	54	4	7	9	19		42	61.37%	38	31	27
1963	Poland	8	64	53	4	7	11	17		40	55.78%	35	28	21
1962	Czechoslovakia	7	56	45	4	4	12	15		46	61.41%	41	34	29
1961	Hungary	6	48	34	5	3	4	4	19	40	56.40%	37	34	30
1960	Romania	5	39	32	1	4	4	4	7	44	56.29%	40	37	33
1959	Romania	7	52	37	6	3	3	5	10	40	51.82%	37	36	33

Gender of some contestants is not known. Please send relevant information to the webmaster: webmaster@imo-official.org.