Member States

There are one hundred and sixty eight (168) members of the International Seabed Authority as at 25 July 2017. A chronological list of ratifications, accessions and successions to the United Nations Convention of the Law of the Sea (LOSC) is also available online.

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Saint Kitts and Nevis

Party to LOSC Date:
Thursday, January 7, 1993
Party to Agreement Date:
Friday, June 27, 2014

Saint Lucia

Party to LOSC Date:
Wednesday, March 27, 1985
Party to Agreement Date:
Friday, June 27, 2014

Saint Vincent and the Grenadines

Party to LOSC Date:
Friday, October 1, 1993
Party to Agreement Date:
Friday, June 27, 2014

Samoa

Party to LOSC Date:
Monday, August 14, 1995
Party to Agreement Date:
Monday, August 14, 1995

Sao Tome and Principe

Party to LOSC Date:
Tuesday, November 3, 1987
Party to Agreement Date:
Friday, June 27, 2014

Saudi Arabia

Party to LOSC Date:
Wednesday, April 24, 1996
Party to Agreement Date:
Wednesday, April 24, 1996

Senegal

Party to LOSC Date:
Thursday, October 25, 1984
Party to Agreement Date:
Tuesday, July 25, 1995

Serbia

Party to LOSC Date:
Monday, March 12, 2001
Party to Agreement Date:
Friday, July 28, 1995

Seychelles

Party to LOSC Date:
Monday, September 16, 1991
Party to Agreement Date:
Thursday, December 15, 1994

Sierra Leone

Party to LOSC Date:
Monday, December 12, 1994
Party to Agreement Date:
Monday, December 12, 1994

Singapore

Party to LOSC Date:
Thursday, November 17, 1994
Party to Agreement Date:
Thursday, November 17, 1994

Slovakia

Party to LOSC Date:
Wednesday, May 8, 1996
Party to Agreement Date:
Wednesday, May 8, 1996

Slovenia

Party to LOSC Date:
Friday, June 16, 1995
Party to Agreement Date:
Friday, June 16, 1995

Solomon Islands

Party to LOSC Date:
Monday, June 23, 1997
Party to Agreement Date:
Monday, June 23, 1997

Somalia

Party to LOSC Date:
Monday, July 24, 1989
Party to Agreement Date:
Friday, June 27, 2014

South Africa

Party to LOSC Date:
Tuesday, December 23, 1997
Party to Agreement Date:
Tuesday, December 23, 1997

Spain

Party to LOSC Date:
Wednesday, January 15, 1997
Party to Agreement Date:
Wednesday, January 15, 1997

Sri Lanka

Party to LOSC Date:
Tuesday, July 19, 1994
Party to Agreement Date:
Friday, July 28, 1995

Sudan

Party to LOSC Date:
Wednesday, January 23, 1985
Party to Agreement Date:
Friday, June 27, 2014

Suriname

Party to LOSC Date:
Thursday, July 9, 1998
Party to Agreement Date:
Thursday, July 9, 1998

Swaziland

Party to LOSC Date:
Monday, September 24, 2012
Party to Agreement Date:
Monday, September 24, 2012

Sweden

Party to LOSC Date:
Tuesday, June 25, 1996
Party to Agreement Date:
Tuesday, June 25, 1996

Switzerland

Party to LOSC Date:
Friday, May 1, 2009
Party to Agreement Date:
Friday, May 1, 2009

State of Palestine

Party to LOSC Date:
Friday, January 2, 2015
Party to Agreement Date:
Friday, January 2, 2015
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