Commercial Arbitration and
Other Alternative Dispute Resolution Methods
The Washington Convention
Convention on the Settlement of Investment Disputes
between States and Nationals of Other States
Signatories,
dates of signatures, of deposit of ratification,
and of entry into force
CONTRACTING STATES AND OTHER SIGNATORIES OF THE CONVENTION
(as of 27 October, 1998)
The 146 States listed below have signed the Convention on the Settlement of Investment Disputes Between States and National of Other States on the dates indicated. The names of the 131 States that have deposited their instruments of ratification are in bold, and the dates of such deposit and of the attainment of the status of Contracting State by the entry into force of the Convention for each of them are also indicated.
|
State |
Signature |
Deposit of Ratification |
Entry into Force
of Convention |
| Afghanistan |
30 September 1996 |
25 June 1968 |
25 July 1968 |
| Albania |
15 October 1991 |
15 October 1991 |
14 November 1991 |
| Algeria |
17 April 1995 |
21 February 1996 |
22 March 1996 |
| Argentina |
21 May 1991 |
19 October 1994 |
18 November 1994 |
| Armenia |
16 September 1992 |
16 September 1992 |
16 October 1992 |
| Australia |
24 March 1975 |
2 May 1991 |
1 June 1991 |
| Austria |
17 May 1966 |
25 May 1971 |
24 June 1971 |
| Azerbaijan |
18 September 1992 |
18 September 1992 |
18 October 1992 |
| Bahamas |
19 October 1995 |
19 October 1995 |
18 November 1995 |
| Bahrain |
22 September 1995 |
14 February 1996 |
15 March 1996 |
| Bangladesh |
20 November 1979 |
27 March 1980 |
26 April 1980 |
| Barbados |
13 May 1981 |
1 November 1983 |
1 December 1983 |
| Belarus |
10 July 1992 |
10 July 1992 |
9 August 1992 |
| Belgium |
15 December 1965 |
27 August 1970 |
26 September 1970 |
| Belize |
19 December 1986 |
|
|
| Benin |
10 September 1965 |
6 September 1966 |
14 October 1966 |
| Bolivia |
3 May 1991 |
23 June 1995 |
23 July 1995 |
| Bosnia and Herzegovina |
25 April 1997 |
14 May 1997 |
13 June 1997 |
| Botswana |
15 January 1970 |
15 January 1970 |
14 February 1970 |
| Burkina Faso |
16 September 1965 |
29 August 1966 |
14 October 1966 |
| Burundi |
17 February 1967 |
5 November 1969 |
5 December 1969 |
| Cambodia |
5 November 1993 |
|
|
| Cameroon |
23 September 1965 |
3 January 1967 |
2 February 1967 |
| Central African Republic |
26 August 1965 |
23 February 1966 |
14 October 1966 |
| Chad |
12 May 1966 |
29 August 1966 |
14 October 1966 |
| Chile |
25 January 1991 |
24 September 1991 |
24 October 1991 |
| China |
9 February 1990 |
7 January 1993 |
6 February 1993 |
| Colombia |
18 May 1993 |
15 July 1997 |
14 August 1997 |
| Comoros |
26 September 1978 |
7 November 1978 |
7 December 1978 |
| Congo |
27 December 1965 |
23 June 1966 |
14 October 1966 |
| Congo Democratic, Republic of |
29 October 1968 |
29 April 1970 |
29 May 1970 |
| Costa Rica |
29 September 1981 |
27 April 1993 |
27 May 1993 |
| Cote d'Ivoire |
30 June 1965 |
16 February 1966 |
14 October 1966 |
| Croatia |
16 June 1997 |
22 September 1998 |
22 October 1998 |
| Cyprus |
9 March 1966 |
25 November 1966 |
25 December 1966 |
| Czech Republic |
23 March 1993 |
23 March 1993 |
22 April 1993 |
| Denmark |
11 October 1965 |
24 April 1968 |
24 May 1968 |
| Ecuador |
15 January 1986 |
15 January 1986 |
14 February 1986 |
| Egypt, Arab Republic of |
11 February 1972 |
3 May 1972 |
2 June 1972 |
| El Salvador |
9 June 1982 |
6 March 1984 |
5 April 1984 |
| Estonia |
23 June 1992 |
23 June 1992 |
23 July 1992 |
| Ethiopia |
21 September 1965 |
|
|
| Fiji |
1 July 1977 |
11 August 1977 |
10 September 1977 |
| Finland |
14 July 1967 |
9 January 1969 |
8 February 1969 |
| France |
22 December 1965 |
21 August 1967 |
20 September 1967 |
| Gabon |
21 September 1965 |
4 April 1966 |
14 October 1966 |
| Gambia, The |
1 October 1974 |
27 December 1974 |
26 January 1975 |
| Georgia |
7 August 1992 |
7 August 1992 |
6 September 1992 |
| Germany |
27 January 1966 |
18 April 1969 |
18 May 1969 |
| Ghana |
26 November 1965 |
13 July 1966 |
14 October 1966 |
| Greece |
16 March 1966 |
21 April 1969 |
21 May 1969 |
| Grenada |
24 May 1991 |
24 May 1991 |
23 June 1991 |
| Guatemala |
9 November 1995 |
|
|
| Guinea |
27 August 1968 |
4 November 1968 |
4 December 1968 |
| Guinea-Bissau |
4 September 1991 |
|
|
| Guyana |
3 July 1969 |
11 July 1969 |
10 August 1969 |
| Haiti |
30 January 1985 |
|
|
| Honduras |
28 May 1986 |
14 February 1989 |
16 March 1989 |
| Hungary |
1 October 1986 |
4 February 1987 |
6 March 1987 |
| Iceland |
25 July 1966 |
25 July 1966 |
14 October 1966 |
| Indonesia |
16 February 1968 |
28 September 1968 |
28 October 1968 |
| Ireland |
30 August 1966 |
7 April 1981 |
7 May 1981 |
| Israel |
16 June 1980 |
22 June 1983 |
22 July 1983 |
| Italy |
18 November 1965 |
29 March 1971 |
28 April 1971 |
| Jamaica |
23 June 1965 |
9 September 1966 |
14 October 1966 |
| Japan |
23 September 1965 |
17 August 1967 |
16 September 1967 |
| Jordan |
14 July 1972 |
30 October 1972 |
29 November 1972 |
| Kazakhstan |
23 July 1992 |
|
|
| Kenya |
24 May 1966 |
3 January 1967 |
2 February 1967 |
| Republic of Korea |
18 April 1966 |
21 February 1967 |
23 March 1967 |
| Kuwait |
9 February 1978 |
2 February 1979 |
4 March 1979 |
| Republic of Kyrgyz |
9 June 1995 |
|
|
| Latvia |
8 August 1997 |
8 August 1997 |
7 September 1997 |
| Lesotho |
19 September 1968 |
8 July 1969 |
7 August 1969 |
| Liberia |
3 September 1965 |
16 June 1970 |
16 July 1970 |
| Lithuania |
6 July 1992 |
6 July 1992 |
5 August 1992 |
| Luxemburg |
28 September 1965 |
30 July 1970 |
29 August 1970 |
| Macedonia, Former Yugoslav Republic of |
16 September 1998 |
27 October 1998 |
26 November 1998 |
| Madagascar |
1 June 1966 |
6 September 1966 |
14 October 1966 |
| Malawi |
9 June 1966 |
23 August 1966 |
14 October 1966 |
| Malaysia |
22 October 1965 |
8 August 1966 |
14 October 1966 |
| Mali |
9 April 1976 |
3 January 1978 |
2 February 1978 |
| Mauritania |
30 July 1965 |
11 January 1966 |
14 October 1966 |
| Mauritius |
2 June 1969 |
2 June 1969 |
2 July 1969 |
| Micronesia |
24 June 1993 |
24 June 1993 |
24 July 1993 |
| Moldova |
12 August 1992 |
|
|
| Mongolia |
14 June 1991 |
14 June 1991 |
14 July 1993 |
| Morocco |
11 October 1965 |
11 May 1967 |
10 June 1967 |
| Mozambique |
4 April 1995 |
7 June 1995 |
7 July 1995 |
| Namibia |
26 October 1998 |
|
|
| Nepal |
28 September 1965 |
7 January1969 |
6 February 1969 |
| Netherlands |
25 May 1966 |
14 September 1966 |
14 October 1966 |
| New Zeland |
2 September 1970 |
2 April 1980 |
2 May 1980 |
| Nicaragua |
4 February 1994 |
20 March 1995 |
19 April 1995 |
| Niger |
23 August 1965 |
14 November 1966 |
14 December 1966 |
| Nigeria |
13 July 1965 |
23 August 1965 |
14 October 1966 |
| Norway |
24 June 1966 |
16 August 1967 |
15 September 1967 |
| Oman |
5 May 1995 |
24 July 1995 |
23 August 1995 |
| Pakistan |
6 July 1965 |
15 September 1966 |
15 October 1966 |
| Panama |
22 November 1995 |
8 April 1996 |
6 May 1996 |
| Papua New Guinea |
20 October 1978 |
20 October 1978 |
19 November 1978 |
| Paraguay |
27 July 1981 |
7 January 1983 |
6 February 1983 |
| Peru |
4 September 1991 |
9 August 1993 |
8 September 1993 |
| Philippines |
26 September 1978 |
17 November 1978 |
17 December 1978 |
| Portugal |
4 August 1983 |
2 July 1984 |
1 August 1984 |
| Romania |
6 September 1974 |
12 September 1975 |
12 October 1975 |
| Russian Federation |
16 June 1992 |
|
|
| Rwanda |
21 April 1978 |
15 October 1979 |
14 November 1979 |
| Samoa |
3 February 1978 |
25 April 1978 |
25 May 1978 |
| Saudi Arabia |
28 September 1979 |
8 May 1980 |
7 June 1980 |
| Senegal |
26 September 1966 |
21 April 1967 |
21 May 1967 |
| Seychelles |
16 February 1978 |
20 March 1978 |
19 April 1978 |
| Sierra Leone |
27 September 1965 |
2 August 1966 |
14 October 1966 |
| Singapore |
2 February 1968 |
14 October 1968 |
13 November 1968 |
| Slovak Republic |
27 September 1993 |
27 May 1993 |
26 June 1994 |
| Slovenia |
7 March 1994 |
7 March 1994 |
6 April 1994 |
| Solomon Island |
12 November 1979 |
8 September 1981 |
8 October 1981 |
| Somalia |
27 September 1965 |
29 February 1968 |
30 March 1968 |
| Spain |
21 March 1994 |
18 August 1994 |
17 September 1994 |
| Sri Lanka |
30 August 1967 |
12 October 1967 |
11 November 1967 |
| St. Kitts & Nevis |
14 October 1994 |
4 August 1995 |
3 September 1995 |
| St. Lucia |
4 June 1984 |
4 June 1984 |
4 July 1984 |
| Sudan |
15 March 1967 |
9 April 1973 |
9 May 1973 |
| Swaziland |
3 November 1970 |
14 June 1971 |
14 July 1971 |
| Sweden |
25 September 1965 |
29 December 1966 |
28 January 1967 |
| Switzerland |
22 September 1967 |
15 May 1968 |
14 June 1968 |
| Tanzania |
10 January 1992 |
18 May 1992 |
17 June 1992 |
| Thailand |
6 December 1985 |
|
|
| Togo |
24 January 1966 |
11 August 1967 |
10 September 1967 |
| Tonga |
1 May 1989 |
21 March 1990 |
20 April 1990 |
| Trinidad and Tobago |
5 October 1966 |
3 January 1967 |
2 February 1967 |
| Tunisia |
5 May 1965 |
22 June 1966 |
14 October 1966 |
| Turkey |
24 June 1987 |
3 March 1989 |
2 April 1989 |
| Turkmenistan |
26 September 1992 |
26 September 1992 |
26 October 1992 |
| Uganda |
7 June 1966 |
7 June 1966 |
14 October 1966 |
| Ukraine |
28 May 1998 |
|
|
| United Arab Emirates |
23 December 1981 |
23 December 1981 |
22 January 1982 |
| United Kingdom of Great Britain and Northern Ireland |
26 May 1965 |
19 December 1966 |
18 January 1967 |
| United States of America |
27 August 1965 |
10 June 1966 |
14 October 1966 |
| Uruguay |
28 May 1992 |
|
|
| Uzbekistan |
17 March 1994 |
26 July 1995 |
25 August 1995 |
| Venezuela |
13 August 1993 |
2 May 1995 |
1 June 1995 |
| Yemen, Republic of |
28 October 1997 |
|
|
| Yugoslavia, Socialist Federal Republic of |
21 March 1967 |
21 March 1967 |
20 April 1967 |
| Zambia |
17 June 1970 |
17 June 1970 |
17 July 1970 |
| Zimbabwe |
25 March 1991 |
20 May 1994 |
19 June 1994 |
|
