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

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