Member States
There are one hundred and sixty eight (168) members of the International Seabed Authority as at 25 July 2016. A chronological list of ratifications, accessions and successions to the United Nations Convention of the Law of the Sea (LOSC) is also available online.
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