The following countries have either attempted to develop, actually built, or bought weapons of mass destruction, including biological, chemical, and nuclear weapons. List Legend:
+Programs per countryBiologicalChemicalNuclearAlbaniaNFNAlgeriaNNAArgentinaNNAAustraliaNFABrazilNNABulgariaNFFCanadaFFFChinaPFCEgyptNCNFranceFFCGermanyFFSIndiaFFCIranNFDIraqFFAIsraelPPCItalyFFS IndonesiaNNA JapanFFAKazakhstanNNFLibyaNFAMexicoNNAMyanmarNPPNetherlandsNFSNorth KoreaCCCPakistanNNCPhilippinesNNAPolandNNFRhodesiaFFNRomaniaNNARussiaCCCSaudi ArabiaNNPSouth AfricaFFFSouth KoreaNNASpainNNASwedenNFASwitzerlandNFASyriaNCPTaiwanPFAUkraineNNFUnited KingdomFFCUnited StatesFFC