Disclaimer: The designations employed and the presentation of material on this map do not imply the expression of any opinion whatsoever on the part of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.
PartySignatureRatificationStatusPartyFocal points
Afghanistan 17 Jun 2004Accession15 Sep 2004 
Albania 8 Oct 1999Accession6 Jan 2000 
Algeria 20 Oct 1992Accession18 Jan 1993 
Andorra 26 Jan 2009Accession26 Apr 2009 
Angola 17 May 2000Accession15 Aug 2000 
Antigua and Barbuda 3 Dec 1992Accession3 Mar 1993 
Argentina22 Mar 198518 Jan 1990Ratification18 Apr 1990 
Armenia 1 Oct 1999Accession30 Dec 1999 
Australia 16 Sep 1987Accession22 Sep 1988 
Austria16 Sep 198519 Aug 1987Ratification22 Sep 1988 
Azerbaijan 12 Jun 1996Accession10 Sep 1996 
Bahamas 1 Apr 1993Accession30 Jun 1993 
Bahrain 27 Apr 1990Accession26 Jul 1990 
Bangladesh 2 Aug 1990Accession31 Oct 1990 
Barbados 16 Oct 1992Accession14 Jan 1993 
Belarus22 Mar 198520 Jun 1986Acceptance22 Sep 1988 
Belgium22 Mar 198517 Oct 1988Ratification15 Jan 1989 
Belize 6 Jun 1997Accession4 Sep 1997 
Benin 1 Jul 1993Accession29 Sep 1993 
Bhutan 23 Aug 2004Accession21 Nov 2004 
Bolivia (Plurinational State of) 3 Oct 1994Accession1 Jan 1995 
Bosnia and Herzegovina 1 Sep 1993Ratification30 Nov 1993 
Botswana 4 Dec 1991Accession3 Mar 1992 
Brazil 19 Mar 1990Accession17 Jun 1990 
Brunei Darussalam 26 Jul 1990Accession24 Oct 1990 
Bulgaria 20 Nov 1990Accession18 Feb 1991 
Burkina Faso12 Dec 198530 Mar 1989Ratification28 Jun 1989 
Burundi 6 Jan 1997Accession6 Apr 1997 
Cambodia 27 Jun 2001Accession25 Sep 2001 
Cameroon 30 Aug 1989Accession28 Nov 1989 
Canada22 Mar 19854 Jun 1986Ratification22 Sep 1988 
Cabo Verde 31 Jul 2001Accession29 Oct 2001 
Central African Republic 29 Mar 1993Accession27 Jun 1993 
Chad 18 May 1989Accession16 Aug 1989 
Chile22 Mar 19856 Mar 1990Ratification4 Jun 1990 
China 11 Sep 1989Accession10 Dec 1989 
Colombia 16 Jul 1990Accession14 Oct 1990 
Comoros 31 Oct 1994Accession29 Jan 1995 
Congo (Brazzaville) 16 Nov 1994Accession14 Feb 1995 
Cook Islands  22 Dec 2003Accession21 Mar 2004 
Costa Rica 30 Jul 1991Accession28 Oct 1991 
Côte D'Ivoire 5 Apr 1993Accession4 Jul 1993 
Croatia 21 Sep 1992Ratification20 Dec 1992 
Cuba 14 Jul 1992Accession12 Oct 1992 
Cyprus 28 May 1992Accession26 Aug 1992 
Czechia 30 Sep 1993Ratification29 Dec 1993 
Democratic Republic of the Congo 30 Nov 1994Accession28 Feb 1995 
Denmark22 Mar 198529 Sep 1988Ratification28 Dec 1988 
Djibouti 30 Jul 1999Accession28 Oct 1999 
Dominica 31 Mar 1993Accession29 Jun 1993 
Dominican Republic 18 May 1993Accession16 Aug 1993 
Ecuador 10 Apr 1990Accession9 Jul 1990 
Egypt22 Mar 19859 May 1988Ratification22 Sep 1988 
El Salvador 2 Oct 1992Accession31 Dec 1992 
Equatorial Guinea 17 Aug 1988Accession22 Sep 1988 
Eritrea 10 Mar 2005Accession8 Jun 2005 
Estonia 17 Oct 1996Accession15 Jan 1997 
Ethiopia 11 Oct 1994Accession9 Jan 1995 
European Union22 Mar 198517 Oct 1988Approval15 Jan 1989 
Fiji 23 Oct 1989Accession21 Jan 1990 
Finland22 Mar 198526 Sep 1986Ratification22 Sep 1988 
France22 Mar 19854 Dec 1987Approval22 Sep 1988 
Gabon 9 Feb 1994Accession10 May 1994 
Georgia 21 Mar 1996Accession19 Jun 1996 
Germany22 Mar 198530 Sep 1988Ratification29 Dec 1988 
Ghana 24 Jul 1989Accession22 Oct 1989 
Greece22 Mar 198529 Dec 1988Ratification29 Mar 1989 
Grenada 31 Mar 1993Accession29 Jun 1993 
Guatemala 11 Sep 1987Accession22 Sep 1988 
Guinea 25 Jun 1992Accession23 Sep 1992 
Guinea-Bissau 12 Nov 2002Accession10 Feb 2003 
Guyana 12 Aug 1993Accession10 Nov 1993 
Haiti 29 Mar 2000Accession27 Jun 2000 
Honduras 14 Oct 1993Accession12 Jan 1994 
Hungary 4 May 1988Accession22 Sep 1988 
Iceland 29 Aug 1989Accession27 Nov 1989 
India 18 Mar 1991Accession16 Jun 1991 
Indonesia 26 Jun 1992Accession24 Sep 1992 
Iran (Islamic Republic of) 3 Oct 1990Accession1 Jan 1991 
Iraq 25 Jun 2008Accession23 Sep 2008 
Ireland 15 Sep 1988Accession22 Sep 1988 
Israel 30 Jun 1992Accession28 Sep 1992 
Italy22 Mar 198519 Sep 1988Ratification22 Sep 1988 
Jamaica 31 Mar 1993Accession29 Jun 1993 
Japan 30 Sep 1988Accession29 Dec 1988 
Jordan 31 May 1989Accession29 Aug 1989 
Kazakhstan 26 Aug 1998Accession24 Nov 1998 
Kenya 9 Nov 1988Accession7 Feb 1989
  • David M. Okioga

    Position
    Coordinator, National ozone Unit
    Department
    National environment Management Authority (NEMA)
    Institution
    Ministry of Environment and Natural Resources
    Address
    P.O. BOX 67839 Nairobi, Kenya
    E-Mail
    dmok…@wananchi.com
    Telephone
    (254-20) 24969
    Fax
    (254-20) 24969
Kiribati 7 Jan 1993Accession7 Apr 1993 
Kuwait 23 Nov 1992Accession21 Feb 1993 
Kyrgyzstan 31 May 2000Accession29 Aug 2000 
Lao People’s Democratic Republic 21 Aug 1998Accession19 Nov 1998 
Latvia 28 Apr 1995Accession27 Jul 1995 
Lebanon 30 Mar 1993Accession28 Jun 1993 
Lesotho 25 Mar 1994Accession23 Jun 1994 
Liberia 15 Jan 1996Accession14 Apr 1996 
Libya 11 Jul 1990Accession9 Oct 1990 
Liechtenstein 8 Feb 1989Accession9 May 1989 
Lithuania 18 Jan 1995Accession18 Apr 1995 
Luxembourg17 Apr 198517 Oct 1988Ratification15 Jan 1989 
The former Yugoslav Republic of Macedonia 10 Mar 1994Ratification8 Jun 1994 
Madagascar 7 Nov 1996Accession5 Feb 1997 
Malawi 9 Jan 1991Accession9 Apr 1991 
Malaysia 29 Aug 1989Accession27 Nov 1989 
Maldives 26 Apr 1988Accession22 Sep 1988 
Mali 28 Oct 1994Accession26 Jan 1995 
Malta 15 Sep 1988Accession22 Sep 1988 
Marshall Islands 11 Mar 1993Accession9 Jun 1993 
Mauritania 26 May 1994Accession24 Aug 1994 
Mauritius 18 Aug 1992Accession16 Nov 1992 
Mexico1 Apr 198514 Sep 1987Ratification22 Sep 1988 
Micronesia (Federated States of) 3 Aug 1994Accession1 Nov 1994 
Republic of Moldova 24 Oct 1996Accession22 Jan 1997 
Monaco 12 Mar 1993Accession10 Jun 1993 
Mongolia 7 Mar 1996Accession5 Jun 1996 
Montenegro 23 Oct 2006Ratification21 Jan 2007 
Morocco7 Feb 198628 Dec 1995Ratification27 Mar 1996 
Mozambique 9 Sep 1994Accession8 Dec 1994 
Myanmar 24 Nov 1993Accession22 Feb 1994 
Namibia 20 Sep 1993Accession19 Dec 1993 
Nauru 12 Nov 2001Accession10 Feb 2002 
Nepal 6 Jul 1994Accession4 Oct 1994 
Netherlands22 Mar 198528 Sep 1988Acceptance27 Dec 1988 
New Zealand21 Mar 19862 Jun 1987Ratification22 Sep 1988 
Nicaragua 5 Mar 1993Accession3 Jun 1993 
Niger 9 Oct 1992Accession7 Jan 1993 
Nigeria 31 Oct 1988Accession29 Jan 1989 
Niue 22 Dec 2003Accession21 Mar 2004 
Democratic People's Republic of Korea 24 Jan 1995Accession24 Apr 1995 
Norway22 Mar 198523 Sep 1986Ratification22 Sep 1988 
Oman 30 Jun 1999Accession28 Sep 1999 
Pakistan 18 Dec 1992Accession18 Mar 1993 
Palau 29 May 2001Accession27 Aug 2001 
Panama 13 Feb 1989Accession14 May 1989 
Papua New Guinea 27 Oct 1992Accession25 Jan 1993 
Paraguay 3 Dec 1992Accession3 Mar 1993 
Peru22 Mar 19857 Apr 1989Ratification6 Jul 1989 
Philippines 17 Jul 1991Accession15 Oct 1991 
Poland 13 Jul 1990Accession11 Oct 1990 
Portugal 17 Oct 1988Accession15 Jan 1989 
Qatar 22 Jan 1996Accession21 Apr 1996 
Romania 27 Jan 1993Accession27 Apr 1993 
Russian Federation22 Mar 198518 Jun 1986Acceptance22 Sep 1988 
Rwanda 11 Oct 2001Accession9 Jan 2002 
Saint Kitts and Nevis 10 Aug 1992Accession8 Nov 1992 
Saint Lucia 28 Jul 1993Accession26 Oct 1993 
Saint Vincent and the Grenadines 2 Dec 1996Accession2 Mar 1997 
Samoa 21 Dec 1992Accession21 Mar 1993 
San Marino 23 Apr 2009Accession22 Jul 2009 
Sao Tome and Principe 19 Nov 2001Accession17 Feb 2002 
Saudi Arabia 1 Mar 1993Accession30 May 1993 
Senegal 19 Mar 1993Accession17 Jun 1993 
Serbia 12 Mar 2001Ratification10 Jun 2001 
Seychelles 6 Jan 1993Accession6 Apr 1993 
Sierra Leone 29 Aug 2001Accession27 Nov 2001 
Singapore 5 Jan 1989Accession5 Apr 1989 
Slovakia 28 May 1993Ratification26 Aug 1993 
Slovenia 6 Jul 1992Ratification4 Oct 1992 
Solomon Islands 17 Jun 1993Accession15 Sep 1993 
Somalia 1 Aug 2001Accession30 Oct 2001 
South Africa 15 Jan 1990Accession15 Apr 1990 
Republic of Korea 27 Feb 1992Accession27 May 1992 
South Sudan 12 Jan 2012Accession11 Apr 2012 
Spain 25 Jul 1988Accession22 Sep 1988 
Sri Lanka 15 Dec 1989Accession15 Mar 1990 
Sudan 29 Jan 1993Accession29 Apr 1993 
Suriname 14 Oct 1997Accession12 Jan 1998 
Swaziland 10 Nov 1992Accession8 Feb 1993 
Sweden22 Mar 198526 Nov 1986Ratification22 Sep 1988 
Switzerland22 Mar 198517 Dec 1987Ratification22 Sep 1988 
Syrian Arab Republic 12 Dec 1989Accession12 Mar 1990 
Tajikistan 6 May 1996Accession4 Aug 1996 
United Republic of Tanzania 7 Apr 1993Accession6 Jul 1993 
Thailand 7 Jul 1989Accession5 Oct 1989 
The Gambia 25 Jul 1990Accession23 Oct 1990 
Timor-Leste 16 Sep 2009Accession15 Dec 2009 
Togo 25 Feb 1991Accession26 May 1991 
Tonga 29 Jul 1998Accession27 Oct 1998 
Trinidad and Tobago 28 Aug 1989Accession26 Nov 1989 
Tunisia 25 Sep 1989Accession24 Dec 1989 
Turkey 20 Sep 1991Accession19 Dec 1991 
Turkmenistan 18 Nov 1993Accession16 Feb 1994 
Tuvalu 15 Jul 1993Accession13 Oct 1993 
Uganda 24 Jun 1988Accession22 Sep 1988 
Ukraine22 Mar 198518 Jun 1986Acceptance22 Sep 1988 
United Arab Emirates 22 Dec 1989Accession22 Mar 1990 
United Kingdom of Great Britain and Northern Ireland20 May 198515 May 1987Ratification22 Sep 1988 
United States of America22 Mar 198527 Aug 1986Ratification22 Sep 1988 
Uruguay 27 Feb 1989Accession28 May 1989 
Uzbekistan 18 May 1993Accession16 Aug 1993 
Vanuatu 21 Nov 1994Accession19 Feb 1995 
Vatican City State 5 May 2008Accession3 Aug 2008 
Venezuela (Bolivarian Republic of) 1 Sep 1988Accession22 Sep 1988 
Viet Nam 26 Jan 1994Accession26 Apr 1994 
Yemen 21 Feb 1996Accession21 May 1996 
Zambia 24 Jan 1990Accession24 Apr 1990 
Zimbabwe 3 Nov 1992Accession1 Feb 1993 
 
Source of information: Vienna Convention website and United Nations Treaty Database.
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