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◄ 64^th IMO 2023 ►

Participating countries

This is the list of countries which have confirmed that they will participate at this IMO. The final list of participating countries will be published along with the official results of the IMO.

#	Code	Country	Number of participants
			C	L	DL	OA	OB	OC
Number of participants			627	113	110	61	50	41
1	ALB	Albania	6	1	1
2	ALG	Algeria	6	1	1	2	2
3	ARG	Argentina	6	1	1	1
4	ARM	Armenia	6	1	1	2
5	AUS	Australia	6	1	1	2	1	1
6	AUT	Austria	6	1	1
7	AZE	Azerbaijan	6	1	1		1
8	BEL	Belgium	6	1	1	1
9	BFA	Burkina Faso	6	1	1
10	BGD	Bangladesh	6	1	1			1
11	BGR	Bulgaria	6	1	1	1
12	BIH	Bosnia and Herzegovina	6	1	1
13	BLR	Belarus	6	1	1
14	BOL	Bolivia	6	1	1
15	BRA	Brazil	6	1	1	3
16	BTN	Bhutan				2
17	BWA	Botswana	6	1	1	1
18	CAN	Canada	6	1	1	1
19	CHI	Chile	3	1	1
20	CHN	People's Republic of China	6	1	1	1	1	1
21	CIV	Ivory Coast
22	CMR	Cameroon	6	1	1
23	COL	Colombia	6	1	1
24	CRI	Costa Rica	6	1	1
25	CUB	Cuba	2		1
26	CYP	Cyprus	6	1	1
27	CZE	Czech Republic	6	1	1
28	DEN	Denmark	6	1	1
29	DOM	Dominican Republic	6	1	1
30	ECU	Ecuador	6	1	1
31	EGY	Egypt	4	1	1
32	ESP	Spain	6	1	1
33	EST	Estonia	6	1	1
34	FIN	Finland	6	1	1	1
35	FRA	France	6	1	1
36	GEO	Georgia	6	1	1		1
37	GER	Germany	6	1	1	1
38	GHA	Ghana	2	1	1		2	1
39	GTM	Guatemala	2	1
40	HEL	Greece	6	1	1			1
41	HKG	Hong Kong	6	1	1	1		1
42	HND	Honduras	2	1	1
43	HRV	Croatia	6	1	1
44	HUN	Hungary	6	1	1
45	IDN	Indonesia	6	1	1	1	1
46	IND	India	6	1	1	1	1
47	IRL	Ireland	6	1	1
48	IRN	Islamic Republic of Iran	6	1	1	1	1	2
49	IRQ	Iraq	4	1	1
50	ISL	Iceland	6	1	1
51	ISR	Israel	6	1	1	1	1
52	ITA	Italy	6	1	1	1
53	JPN	Japan	6	1	1	2
54	KAZ	Kazakhstan	6	1	1	1	1
55	KEN	Kenya	6	1	1			1
56	KGZ	Kyrgyzstan	6	1	1			2
57	KOR	Republic of Korea	6	1	1	2	3	2
58	KSV	Kosovo	6	1	1		1	1
59	LIE	Liechtenstein	2	1	1
60	LKA	Sri Lanka	6	1	1
61	LTU	Lithuania	6	1	1
62	LUX	Luxembourg	3	1	1
63	LVA	Latvia	6	1	1
64	MAC	Macau	6	1	1
65	MAR	Morocco	6	1	1	1	1
66	MAS	Malaysia	6	1	1	1
67	MDA	Republic of Moldova	6	1	1
68	MEX	Mexico	6	1	1	1
69	MKD	North Macedonia	6	1	1			2
70	MMR	Myanmar	6	1	1
71	MNE	Montenegro	4	1	1
72	MNG	Mongolia	6	1	1	1	2	4
73	MRT	Mauritania	6	1	1	1
74	NGA	Nigeria	5	1	1	1		1
75	NIC	Nicaragua	3	1
76	NLD	Netherlands	6	1	1		1	1
77	NOR	Norway	6	1	1
78	NPL	Nepal	6	1	1		2	2
79	NZL	New Zealand	6	1	1		1	1
80	OMN	Oman	6	1	1			1
81	PAK	Pakistan	6	1	1		1	1
82	PAN	Panama	3	1	1
83	PAR	Paraguay	4	1	1
84	PER	Peru	6	1
85	PHI	Philippines	6	1	1		3
86	POL	Poland	6	1	1
87	POR	Portugal	6	1	1
88	PRI	Puerto Rico	4	1	1
89	PSE	Palestine
90	ROU	Romania	6	1	1	2
91	RWA	Rwanda	6	1	1		1
92	SAF	South Africa	6	1	1		1
93	SAU	Saudi Arabia	6	1	1	2	3
94	SEN	Senegal					2
95	SGP	Singapore	6	1	1	1	3
96	SLV	El Salvador	3	1	1
97	SRB	Serbia	6	1	1
98	SUI	Switzerland	6	1	1		1
99	SVK	Slovakia	6	1	1
100	SVN	Slovenia	6	1	1
101	SWE	Sweden	6	1	1
102	SYR	Syria	6	1	1	1
103	THA	Thailand	6	1	1	2	2
104	TJK	Tajikistan	6	1	1
105	TKM	Turkmenistan	6	1	1
106	TUN	Tunisia	6	1	1		2
107	TUR	Türkiye	6	1	1	3
108	TWN	Taiwan	6	1	1	2	2
109	TZA	Tanzania	1	1	1
110	UAE	United Arab Emirates	6	1	1
111	UGA	Uganda	6	1	1		1	1
112	UKR	Ukraine	6	1	1	3	1
113	UNK	United Kingdom	6	1	1	8	1	2
114	URY	Uruguay	3	1
115	USA	United States of America	6	1	1	1	1
116	UZB	Uzbekistan	6	1	1		1
117	VEN	Venezuela	3	1	1			2
118	VNM	Vietnam	6	1	1			9

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