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Supplementary Convention on the Abolition of Slavery, the Slave Trade and Institutions and Practices Similar to Slavery, 1956

Entry into force: Tuesday, April 30, 1957

Adoption date: Sep 7, 1956

Adoption place: Genève

Depositary: Secrétaire Général des Nations Unies

Signed by 35 countries, ratified by 123 countries

See the convention Ratifications evolution
Signatory countries
Country Signature date Ratification date * Reservation / Declaration Comments
Afghanistan

-

Nov 16, 1966

-


Albania

-

Nov 6, 1958

-


Algeria

-

Oct 31, 1963

-


Antigua and Barbuda

-

Oct 25, 1988

-


Argentina

-

Aug 13, 1964

-


Australia

Sep 7, 1956

Jan 6, 1958

-


Austria

-

Oct 7, 1963

-


Azerbaijan

-

Aug 16, 1996

-


Bahamas

-

Jun 10, 1976

-


Bahrain

-

Mar 27, 1990

Reservation:

"The accession by the State of Bahrain to the said Convention shall in no way constitute recognition of Israel or be a cause for the establishment of any relations of any kind therewith."


Bangladesh

-

Feb 5, 1985

-


Barbados

-

Aug 9, 1972

-


Belarus

Sep 7, 1956

Jun 5, 1957

-


Belgium

Sep 7, 1956

Dec 13, 1962

-


Bolivia

-

Oct 6, 1983

-


Bosnia and Herzegovina

-

Sep 1, 1993

-


Brazil

-

Jan 6, 1966

-


Bulgaria

Jun 26, 1957

Aug 21, 1958

-


Cambodia

-

Jun 12, 1957

-


Cameroon

-

Jun 27, 1984

-


Canada

Sep 7, 1956

Jan 10, 1963

-


Central African Republic

-

Dec 30, 1970

-


Chile

-

Jun 20, 1995

-


Congo

-

Aug 25, 1977

-


Croatia

-

Oct 12, 1992

-


Cuba

Jan 10, 1957

Aug 21, 1963

-


Cyprus

-

May 11, 1962

-


Czech Republic

-

Feb 22, 1993

-


Democratic Republic of the Congo

-

Feb 28, 1975

-


Denmark

Jun 27, 1957

Apr 24, 1958

-


Djibouti

-

Mar 21, 1979

-


Dominica

-

Aug 17, 1994

-


Dominican Republic

-

Oct 31, 1962

-


Ecuador

-

Mar 29, 1960

-


Egypt

-

Apr 17, 1958

-


El Salvador

Sep 7, 1956

-

-


Ethiopia

-

Jan 21, 1969

-


Fiji

-

Jun 12, 1972

-


Finland

-

Apr 1, 1959

-


France

Sep 7, 1956

May 26, 1964

-


Germany

Sep 7, 1956

Jan 14, 1959

-


Ghana

-

May 3, 1963

-


Greece

Sep 7, 1956

Dec 13, 1972

-


Guatemala

Sep 7, 1956

Nov 11, 1983

-


Guinea

-

Mar 14, 1977

-


Haiti

Sep 7, 1956

Feb 12, 1958

-


Hungary

Sep 7, 1956

Feb 26, 1958

-


Iceland

-

Nov 17, 1965

-


India

Sep 7, 1956

Jun 23, 1960

-


Iran

-

Dec 30, 1959

-


Iraq

Sep 7, 1956

Sep 30, 1963

-


Ireland

-

Sep 18, 1961

-


Israel

Sep 7, 1956

Oct 23, 1957

-


Italy

Sep 7, 1956

Feb 12, 1958

-


Ivory Coast

-

Dec 10, 1970

-


Jamaica

-

Jul 30, 1964

-


Jordan

-

Sep 27, 1957

-


Kazakhstan

-

May 1, 2008

-


Kuwait

-

Jan 18, 1963

-


Kyrgyzstan

-

Sep 5, 1997

-


Lao People's Democratic Republic

-

Sep 9, 1957

-


Latvia

-

Apr 14, 1992

-


Lesotho

-

Nov 4, 1974

-


Liberia

Sep 7, 1956

-

-


Libya

-

May 16, 1989

-


Luxembourg

Sep 7, 1956

May 1, 1967

-


Madagascar

-

Feb 29, 1972

-


Malawi

-

Aug 2, 1965

-


Malaysia

-

Nov 18, 1957

-


Mali

-

Feb 2, 1973

-


Malta

-

Jan 3, 1966

-


Mauritania

-

Jun 6, 1986

-


Mauritius

-

Jul 18, 1969

-


Mexico

Sep 7, 1956

Jun 30, 1959

-


Mongolia

-

Dec 20, 1968

-


Montenegro

-

Oct 23, 2006

-


Morocco

-

May 11, 1959

-


Nepal

-

Jan 7, 1963

-


Netherlands

Sep 7, 1956

Dec 3, 1957

-


New Zealand

-

Apr 26, 1962

-


Nicaragua

-

Jan 14, 1986

-


Niger

-

Jul 22, 1963

-


Nigeria

-

Jun 26, 1961

-


Norway

Sep 7, 1956

May 3, 1960

-


Pakistan

Sep 7, 1956

Mar 20, 1958

-


Paraguay

-

Sep 27, 2007

-


Peru

Sep 7, 1956

-

-


Philippines

-

Nov 17, 1964

-


Poland

Sep 7, 1956

Jan 10, 1963

-


Portugal

Sep 7, 1956

Aug 10, 1959

-


Romania

Sep 7, 1956

Nov 13, 1957

-


Russian Federation

Sep 7, 1956

Apr 12, 1957

-


Rwanda

-

Oct 4, 2006

-


Saint Lucia

-

Feb 14, 1990

-


Saint Vincent and the Grenadines

-

Nov 9, 1981

-


San Marino

Sep 7, 1956

Aug 29, 1967

-


Saudi Arabia

-

Jul 5, 1973

-


Senegal

-

Jul 19, 1979

-


Serbia

-

Mar 12, 2001

-


Seychelles

-

May 5, 1992

-


Sierra Leone

-

Mar 13, 1962

-


Singapore

-

Mar 28, 1972

-


Slovakia

-

May 28, 1993

-


Slovenia

-

Jul 6, 1992

-


Solomon Islands

-

Sep 3, 1981

-


Spain

-

Nov 21, 1967

-


Sri Lanka

Jun 5, 1957

Mar 21, 1958

-


Sudan

Sep 7, 1956

Sep 9, 1957

-


Suriname

-

Oct 12, 1979

-


Sweden

-

Oct 28, 1959

-


Switzerland

-

Jul 28, 1964

-


Syrian Arab Republic

-

Apr 17, 1958

-


The former Yugoslav Republic of Macedonia

-

Jan 18, 1994

-


Togo

-

Jul 8, 1980

-


Trinidad and Tobago

-

Apr 11, 1966

-


Tunisia

-

Jul 15, 1966

-


Turkey

Jun 28, 1957

Jul 17, 1964

-


Turkmenistan

-

May 1, 1997

-


Uganda

-

Aug 12, 1964

-


Ukraine

Sep 7, 1956

Dec 3, 1958

-


United Kingdom of Great Britain and Northern Ireland

Sep 7, 1956

Apr 30, 1957

-


United Republic of Tanzania

-

Nov 28, 1962

-


United States of America

-

Dec 6, 1967

-


Uruguay

-

Jun 7, 2001

-


Zambia

-

Mar 26, 1973

-


Zimbabwe

-

Dec 1, 1998

-


Total : 126