On March 17, 2019, the following (104) States/Organizations have ratified the Protocol:
- Afghanistan
- Albania
- Algeria
- Antigua and Barbuda
- Armenia
- Australia
- Austria
- Azerbaijan
- Bahrain
- Belarus
- Belgium
- Bhutan
- Bosnia and Herzegovina
- Botswana
- Brunei Darussalam
- Bulgaria
- Cambodia
- Canada
- China
- Colombia
- Croatia
- Cuba
- Cyprus
- Czech Republic
- Denmark
- Egypt
- Estonia
- Eswatini
- European Union
- Finland
- France
- Gambia
- Georgia
- Germany
- Ghana
- Greece
- Hungary
- Iceland
- India
- Indonesia
- Iran
- Ireland
- Israel
- Italy
- Japan
- Kazakhstan
- Kenya
- Korea (North)
- Korea (South)
- Kyrgyzstan
- Laos
- Latvia
- Lesotho
- Liberia
- Liechtenstein
- Lithuania
- Luxembourg
- Madagascar
- Malawi
- Mexico
- Moldova
- Monaco
- Mongolia
- Montenegro
- Morocco
- Mozambique
- Namibia
- Netherlands
- New Zealand
- North Macedonia
- Norway
- OAPI
- Oman
- Philippines
- Poland
- Portugal
- Romania
- Russian Federation
- Rwanda
- Samoa
- San Marino
- São Tomé and Príncipe
- Serbia
- Sierra Leone
- Singapore
- Slovakia
- Slovenia
- Spain
- Sudan
- Sweden
- Switzerland
- Syria
- Tajikistan
- Thailand
- Tunisia
- Turkey
- Turkmenistan
- Ukraine
- United Kingdom
- United States of America
- Uzbekistan
- Vietnam
- Zambia
- Zimbabwe.