Convention Entry Into Force (EIF)
29 April 1997
Membership
States Parties to the Convention: 193
Signatory States: 1
Non-signatory States: 3
Population
World population living under the protection of the Convention: 98%
Budget
2024: €80,490,221
Destruction Progress
As of 31 August 2025
Stockpile Destruction
World’s declared chemical weapons stockpiles destroyed: 100%
Total declared stockpiles of chemical agents: 72,304 metric tonnes
Total destroyed stockpiles of chemical agents: 72,304 metric tonnes
Chemical Weapons Production Facilities (CWPF)
Declared: 97
Destroyed: 74
Converted for peaceful purpose: 23
Remaining inspectable facilities/sites: 2
States with inspectable facilities/sites: 2
Inspections since EIF: 525
Chemical Weapons Destruction Facilities (CWDF)
Inspections since EIF: 2,062
States with inspectable facilities/sites: 1
Inspectable facilities/sites: 1
Chemical Weapons Storage Facilities (CWSF)
Inspections since EIF: 529
States with inspectable facilities/sites: 0
Inspectable facilities/sites: 0
Old Chemical Weapons (OCW)
Inspections since EIF: 191
States with inspectable facilities/sites: 9
Inspectable facilities/sites: 9
Abandoned Chemical Weapons (ACW)
Inspections since EIF: 186
States with inspectable facilities/sites: 1
Inspectable facilities/sites: 8
Industry Verification
As of 31 August 2025
Industry Inspections
Industrial facilities subject to inspection: 5,240
Schedule 1
Inspections since EIF: 378
States with declared facilities: 24
Inspectable facilities: 28
Schedule 2
Inspections since EIF: 1,121
States with declared plant sites: 24
Inspectable plant sites: 222
Schedule 3
Inspections since EIF: 547
States with declared plant sites: 30
Inspectable plant sites: 371
Other Chemical Production Facilities (OCPF)
Inspections since EIF: 2,845
States with declared plant sites: 80
Inspectable plant sites: 4,619
Verification Capacity
As of 31 August 2025
OPCW Designated Laboratories
Environmental: 29
Biomedical: 19
States with Designated Laboratories
Environmental: 24
Biomedical: 14
CWC Implementing Legislation
As of 31 December 2023
States with comprehensive national implementing legislation covering all initial measures*: 128
States with national implementing legislation covering some initial measures*: 33
* “initial measures” = minimum set of legislative measures deemed necessary for a non-possessor CWC State Party