0 and 1 English - (United Kingdom, United States, Australia, New Zealand, Canada, South Africa, Zimbabwe, Swaziland, Ireland)
2 French (France, Belgium, Canada, Switzerland)
3 German (Germany, Austria, Switzerland)
4 Japan
5 Russia and former USSR
600 Iran
601 Kazakhstan
602 Indonesia
603 Saudi Arabia
604 Vietnam
605 Turkey
606 Romania
607 Mexico
608 Macedonia (FYR)
609 Lithuania
611 Thailand
612 Peru
613 Mauritius
614 Lebanon
615 Hungary
616 Thailand
617 Ukraine
7 China
80 Czech Republic , Slovakia
81 India (see also 93)
82 Norway
83 Poland
84 Spain
85 Brazil
86 Montenegro, Serbia
87 Denmark
88 Italian (Italy, Switzerland)
89 South Korea
90 Dutch / Flemish
91 Sweden
92 International organisations and non-profits ( Unesco , European Union )
93 India (see also 81)
94 Dutch/Flemish
950 Argentina
951 Finland
952 Finland
953 Croatia
954 Bulgaria
955 Sri Lanka
956 Chile
...