Participant Countries

No. Country Name 1st IJSO 2nd IJSO 3rd IJSO 4th IJSO 5th IJSO
1 Afganistan     * *  
2 Albania *   * *  
3 Argentina     * *  
4 Azerbaijan * * * *  
5 Australia       *  
6 Brazil * * * *  
7 Brunei Darussalam * *   *  
8 Chinese Taipei * * * *  
9 Croatia * *   *  
10 Estonia * * * *  
11 Germany * * * *  
12 Hong Kong, China     * *  
13 Hungary * * * *  
14 India * * * *  
15 Indonesia * * * *  
16 Iran *     *  
17 Ireland * * * *  
18 Jordan *     *  
19 Kazakhstan *   * *  
20 Kenya * * * *  
21 Kingdom of Cambodia * * * *  
22 Kuwait   * * *  
23 Lithuania       *  
24 Madagaskar   *   *  
25 Mexico * * * *  
26 Moldova       *  
27 Mongolia   * * *  
28 Myanmar       *  
29 Nigeria * * * *  
30 Philippine * *   *  
31 Rep. of Ghana * * * *  
32 Romania * * * *  
33 Russia * * * *  
34 Saudi Arabia   *   *  
35 Serbia * * * *  
36 Slovakia *     *  
37 South Africa   *   *  
38 South Korea * * * *  
39 Sri Lanka * *   *  
40 Thailand * * * *  
41 Turkey       *  
42 The Netherlands   * * *  
43 United Arab Emirates   *   *  
44 United Kingdom   * * *  
45 Vietnam       *  
46 Zimbabwe   * * *