59th International Mathematical Olympiad
IMO 2018
       
       
# Code Country Number of participants
C L DL OA OB OC
Number of participants 615 109 108 47 40 27
1 ALB Albania 6 1 1      
2 ALG Algeria 4 1 1      
3 AGO Angola 3 1 1 1    
4 ARG Argentina 6 1 1 1    
5 ARM Armenia 6 1 1      
6 AUS Australia 6 1 1     2
7 AUT Austria 6 1 1      
8 AZE Azerbaijan 6 1 1      
9 BGD Bangladesh 6 1 1      
10 BLR Belarus 6 1 1      
11 BEL Belgium 6 1 1 1    
12 BOL Bolivia 6 1 1      
13 BIH Bosnia and Herzegovina 6 1 1      
14 BWA Botswana 6 1 1      
15 BRA Brazil 6 1 1 1    
16 BGR Bulgaria 6 1 1 1    
17 KHM Cambodia 6 1 1      
18 CAN Canada 6 1 1   1  
19 CHI Chile 4 1 1      
20 CHN People's Republic of China 6 1 1 1 1 1
21 COL Colombia 6 1 1      
22 CRI Costa Rica 5 1 1      
23 HRV Croatia 6 1 1      
24 CUB Cuba            
25 CYP Cyprus 6 1 1      
26 CZE Czech Republic 6 1 1      
27 DEN Denmark 6 1 1      
28 ECU Ecuador 6 1 1      
29 EGY Egypt 4 1 1      
30 EST Estonia 6 1 1      
31 FIN Finland 6 1 1      
32 FRA France 6 1 1      
33 GEO Georgia 6 1 1   1  
34 GER Germany 6 1 1      
35 GHA Ghana 5 1        
36 HEL Greece 6 1 1      
37 GTM Guatemala 3   1      
38 HND Honduras 3 1 1      
39 HKG Hong Kong 6 1 1     2
40 HUN Hungary 6 1 1      
41 ISL Iceland 6 1 1      
42 IND India 6 1 1 1 1  
43 IDN Indonesia 6 1 1 1 1  
44 IRQ Iraq 6 1 1      
45 IRN Islamic Republic of Iran 6 1 1 1 1 1
46 IRL Ireland 6 1 1      
47 ISR Israel 6 1 1 1 1 1
48 ITA Italy 6 1 1 1    
49 CIV Ivory Coast 6 1 1      
50 JPN Japan 6 1 1 4 1  
51 KAZ Kazakhstan 6 1 1      
52 KEN Kenya 6 1 1     1
53 PRK Democratic People's Republic of Korea            
54 KOR Republic of Korea 6 1 1 1 3  
55 KSV Kosovo 6 1 1      
56 KGZ Kyrgyzstan 6 1 1      
57 LVA Latvia 6 1 1      
58 LIE Liechtenstein       1    
59 LTU Lithuania 6 1 1      
60 LUX Luxembourg 2 1 1      
61 MAC Macau 6 1 1      
62 MKD The former Yugoslav Republic of Macedonia 6 1 1      
63 MAS Malaysia 6 1 1      
64 MEX Mexico 6 1 1 1    
65 MDA Republic of Moldova 6 1 1      
66 MNG Mongolia 6 1 1      
67 MNE Montenegro 4 1 1      
68 MAR Morocco 6 1 1 1 1  
69 MMR Myanmar 6 1 1     1
70 NPL Nepal 6 1 1   2  
71 NLD Netherlands 6 1 1   1 1
72 NZL New Zealand 6 1 1     1
73 NIC Nicaragua 5 1 1      
74 NGA Nigeria 3 1 1      
75 NOR Norway 6 1 1 1    
76 OMN Oman       2    
77 PAK Pakistan 6 1 1 1    
78 PAN Panama 4 1       1
79 PAR Paraguay 6 1 1      
80 PER Peru 6 1 1      
81 PHI Philippines 6 1 1   1  
82 POL Poland 6 1 1      
83 POR Portugal 6 1 1      
84 PRI Puerto Rico 6 1 1      
85 ROU Romania 6 1 1   1  
86 RUS Russian Federation 6 1 1 3 7 1
87 SLV El Salvador 2 1 1      
88 SAU Saudi Arabia 6 1 1 1 1 1
89 SRB Serbia 6 1 1      
90 SGP Singapore 6 1 1 1 4  
91 SVK Slovakia 6 1 1      
92 SVN Slovenia 6 1 1      
93 SAF South Africa 6 1 1      
94 ESP Spain 6 1 1      
95 LKA Sri Lanka 6 1 1     2
96 SWE Sweden 6 1 1      
97 SUI Switzerland 6 1 1      
98 SYR Syria 6 1 1   1 2
99 TWN Taiwan 6 1 1 2 2  
100 TJK Tajikistan 6 1 1   1  
101 TZA Tanzania 3 1 1      
102 THA Thailand 6 1 1 1 2  
103 TTO Trinidad and Tobago 3 1 1      
104 TUN Tunisia 6 1 1 2 1  
105 TUR Turkey 6 1 1 1    
106 TKM Turkmenistan 6 1 1 1    
107 UGA Uganda 5 1 1      
108 UKR Ukraine 6 1 1 1 1  
109 UAE United Arab Emirates       3    
110 UNK United Kingdom 6 1 1 3 2 1
111 USA United States of America 6 1 1 2   1
112 URY Uruguay 6 1 1      
113 UZB Uzbekistan 6 1 1 1 1 1
114 VEN Venezuela 1 1 1      
115 VNM Vietnam 6 1 1 1   6
116 YEM Yemen       1