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.

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | Y | Z

Cabo Verde

Party to LOSC Date:
Monday, August 10, 1987
Party to Agreement Date:
Wednesday, April 23, 2008

Cameroon

Party to LOSC Date:
Tuesday, November 19, 1985
Party to Agreement Date:
Wednesday, August 28, 2002

Canada

Party to LOSC Date:
Friday, November 7, 2003
Party to Agreement Date:
Friday, November 7, 2003

Chad

Party to LOSC Date:
Friday, August 14, 2009
Party to Agreement Date:
Friday, August 14, 2009

Chile

Party to LOSC Date:
Monday, August 25, 1997
Party to Agreement Date:
Monday, August 25, 1997

China

Party to LOSC Date:
Friday, June 7, 1996
Party to Agreement Date:
Friday, June 7, 1996

Comoros

Party to LOSC Date:
Tuesday, June 21, 1994
Party to Agreement Date:
Friday, June 27, 2014

Congo

Party to LOSC Date:
Wednesday, July 9, 2008
Party to Agreement Date:
Wednesday, July 9, 2008

Cook Islands

Party to LOSC Date:
Wednesday, February 15, 1995
Party to Agreement Date:
Wednesday, February 15, 1995

Costa Rica

Party to LOSC Date:
Monday, September 21, 1992
Party to Agreement Date:
Thursday, September 20, 2001

Côte d’Ivoire

Party to LOSC Date:
Monday, March 26, 1984
Party to Agreement Date:
Friday, July 28, 1995

Croatia

Party to LOSC Date:
Wednesday, April 5, 1995
Party to Agreement Date:
Wednesday, April 5, 1995

Cuba

Party to LOSC Date:
Wednesday, August 15, 1984
Party to Agreement Date:
Thursday, October 17, 2002

Cyprus

Party to LOSC Date:
Monday, December 12, 1988
Party to Agreement Date:
Thursday, July 27, 1995

Czech Republic

Party to LOSC Date:
Friday, June 21, 1996
Party to Agreement Date:
Friday, June 21, 1996
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | Y | Z