Daga watan Mayu 2018, kasashe 193 sun zama masu shiga CWC kuma sun yarda da alkawurranta. Isra'ila ta sanya hannu amma ba ta amince da yarjejeniyar ba, yayin da wasu kasashe uku na Majalisar Dinkin Duniya (Masar, Koriya ta Arewa da Sudan ta Kudu) ba su sanya hannu ba kuma ba su shiga yarjejeniyar ba. Kwanan nan, Jihar Falasdinu ta ajiye takardar shigar da ita ga CWC a ranar 17 ga Mayu 2018. A watan Satumbar 2013 Siriya ta shiga yarjejeniyar a matsayin wani ɓangare na yarjejeniyar lalata makaman nukiliyar Siriya. A watan Nuwamba 2018, an lalata kashi 96.62% na kayan aikin makamai masu guba na duniya. Yarjejeniyar tana da tanadi don kimanta tsarin samar da kayan aikin sinadarai, da kuma binciken zargin amfani da samar da makamai masu guba bisa ga bayanan sirri na sauran bangarorin jihar. Tambaya: Wace Koriya ta Arewa ce memba?
Majalisar Dinkin Duniya