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Results

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

Year	Country	Countries	Contestants			Awards				Max. pts.	Efficiency	Cut-offs			Data quality
			All	M	F	G	S	B	HM			G	S	B	S	N	M	G
1987	Cuba	42	237	160	7	22	42	56		42	47.44%	42	32	18	•		•
1962	Czechoslovakia	7	56	48	4	4	12	15		46	61.41%	41	34	29
1981	United States of America	27	185	155	9	36	37	30		42	63.25%	41	34	26
1960	Romania	5	39	32	1	4	4	4	7	44	56.29%	40	37	33
1969	Romania	14	112	95	6	3	20	21		40	50.00%	40	30	24	•	•	•
1972	Poland	14	107	90	2	8	16	30		40	47.07%	40	30	19
1994	Hong Kong	69	385	284	26	30	64	98	92	42	47.97%	40	30	19	•	•	•
1984	Czechoslovakia	34	192	132	3	14	35	49		42	42.41%	40	26	17	•	•	•
1966	Bulgaria	9	72	59	1	13	15	11		40	74.47%	39	34	31			•
1968	Union of Soviet Socialist Republics	12	96	88		22	22	20		40	70.75%	39	33	26			•
1991	Sweden	56	318	277	17	20	51	84	51	42	45.11%	39	31	19	•		•
1975	Bulgaria	17	135	99	2	8	25	36		40	55.44%	38	32	23
1964	Union of Soviet Socialist Republics	9	72	54	4	7	9	19		42	61.37%	38	31	27
1974	German Democratic Republic	18	140	124	2	10	24	37		40	55.87%	38	30	23	•	•	•
1967	Yugoslavia	13	99	82	1	11	14	26		42	51.85%	38	30	22
1965	German Democratic Republic	10	80	63	9	8	12	17		40	50.43%	38	30	20	•	•	•
1989	Germany	50	291	212	13	20	55	72	64	42	45.05%	38	30	18	•		•
1983	France	32	186	178	8	9	27	57		42	36.67%	38	26	15		•	•	•
1959	Romania	7	52	41	6	3	3	5	10	40	51.82%	37	36	33
1961	Hungary	6	48	34	5	3	4	4	19	40	56.40%	37	34	30
1982	Hungary	30	119	87	3	10	20	31		42	49.49%	37	30	21	•		•
1970	Hungary	14	112	94	5	7	11	40		40	48.37%	37	30	19
1979	United Kingdom	23	166	116	1	8	32	42		40	49.35%	37	29	20	•
1995	Canada	73	412	305	27	30	71	100	99	42	45.12%	37	29	19	•	•	•
1963	Poland	8	64	53	2	7	11	17		40	55.78%	35	28	21			•
1978	Romania	17	132	112	3	5	20	38		40	50.96%	35	27	22
1973	Union of Soviet Socialist Republics	16	125	115	2	5	15	48		40	44.06%	35	27	17	•	•	•
1997	Argentina	82	460	318	28	39	70	122	78	42	38.25%	35	25	15	•	•	•
2005	Mexico	91	513	469	43	42	79	128	68	42	32.97%	35	23	12	•		•	•
1971	Czechoslovakia	15	115	98	4	7	12	29		42	27.97%	35	23	11
2022	Norway	104	589	521	68	44	101	140	210	42		34	29	23	•	•	•	•
1986	Poland	37	210	147	7	18	41	48		42	43.18%	34	26	17	•
1977	Yugoslavia	21	155	132	2	13	29	35		40	43.90%	34	24	17		•	•
1990	People's Republic of China	54	308	238	12	23	56	76	32	42	40.86%	34	23	16	•		•
1976	Austria	18	139	117	4	9	28	45		40	42.73%	34	23	15	•	•	•
1985	Finland	38	209	151	7	14	35	52		42	35.46%	34	22	15	•	•	•
2023	Japan	112	618	550	67	54	90	170	192	42		32	25	18	•	•	•	•
2004	Greece	85	486	351	37	45	78	120	78	42	38.63%	32	24	16	•	•	•
1992	Russian Federation	56	322	271	14	26	55	74	31	42	38.88%	32	24	14		•	•
2009	Germany	104	565	506	59	49	98	135	96	42	35.92%	32	24	14	•	•	•	•
1988	Australia	49	268	251	17	17	48	65	33	42	36.17%	32	23	14	•		•	•
2018	Romania	107	594	535	59	48	98	143	138	42	36.79%	31	25	16	•	•	•	•
2019	United Kingdom	112	621	556	65	52	94	156	144	42	37.75%	31	24	17	•	•	•	•
2013	Colombia	97	527	475	52	45	92	141	141	42	37.16%	31	24	15	•	•	•	•
2020	Russian Federation	105	616	560	56	49	112	155	173	42	36.95%	31	24	15	•	•	•	•
1998	Taiwan	76	419	298	30	37	66	102	56	42	35.17%	31	24	14	•	•	•
2008	Spain	97	535	480	55	47	100	120	103	42	35.91%	31	22	15	•	•	•	•
2000	Republic of Korea	82	461	337	31	39	71	119	51	42	31.86%	30	21	11	•		•
1993	Türkiye	73	413	297	34	35	66	97	12	42	29.97%	30	20	11	•		•
2001	United States of America	83	473	440	33	39	81	122	37	42	30.50%	30	20	11	•	•	•	•
2002	United Kingdom	84	479	341	37	39	73	120	66	42	33.73%	29	23	14	•	•	•
2014	South Africa	101	560	504	56	49	113	133	151	42	38.24%	29	22	16	•	•	•	•
2016	Hong Kong	109	602	531	71	44	101	135	162	42	35.20%	29	22	16	•	•	•	•
2007	Vietnam	93	520	471	49	39	83	131	149	42	33.18%	29	21	14	•	•	•	•
2003	Japan	82	457	333	29	37	69	104	116	42	31.16%	29	19	13	•	•	•
2011	Netherlands	101	563	506	57	54	90	137	120	42	35.06%	28	22	16	•	•	•	•
2012	Argentina	100	547	496	51	51	88	137	148	42	34.25%	28	21	14	•	•	•	•
1996	India	75	424	314	25	35	66	99	22	42	29.66%	28	20	12	•	•	•
2006	Slovenia	90	498	460	38	42	89	122	139	42	34.46%	28	19	15	•	•	•	•
1999	Romania	81	450	319	37	38	70	118	12	42	31.72%	28	19	12	•	•	•
2010	Kazakhstan	95	522	469	47	47	103	115	160	42	35.72%	27	21	15	•	•	•	•
2015	Thailand	104	577	525	52	39	100	143	126	42	30.90%	26	19	14	•	•	•	•
2017	Brazil	111	615	553	62	48	90	153	222	42	34.71%	25	19	16	•	•	•	•
2021	Russian Federation	107	619	555	64	52	103	148	98	42		24	19	12	•	•	•	•
2024	United Kingdom
2025	Australia
2026	People's Republic of China
2027	Hungary

E-mail: Kirsten Rosenkilde (Secretary general of the IMO Board)  •   Webmaster: webmaster@imo-official.org   •   Copyright © 2006 International Mathematical Olympiad. All rights reserved.