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

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