U.S. Defense Pacts, 1945–2014
| OAS . | NATO . | ANZUS . | Bilateral . |
|---|---|---|---|
| Antigua & Barbuda (1981) | Albania (2009) | Australia (1951) | Israel (1962)* |
| Argentina (1947) | Belgium (1949) | New Zealand (1951–86) | Japan (1951) |
| Bahamas (1982) | Bulgaria (2003) | Pakistan (1959) | |
| Barbados (1967) | Canada (1949) | Philippines (1951) | |
| Belize (1991) | Croatia (2009) | ||
| Bolivia (1947) | Czech Republic (1999) | South Korea (1953) | |
| Brazil (1947) | Denmark (1949) | ||
| Chile (1947) | Estonia (2003) | Taiwan (1954)* | |
| Colombia (1947) | France (1949) | ||
| Costa Rica (1947) | Greece (1951) | ||
| Cuba (1948–62, 2009) | Hungary (1999) | ||
| Dominica (1979) | Iceland (1949) | ||
| Dominican Republic (1947) | Italy (1949) | ||
| Ecuador (1947) | Latvia (2003) | ||
| El Salvador (1947) | Lithuania (2003) | ||
| Grenada (1975) | Luxembourg (1949) | ||
| Guatemala (1947) | Netherlands (1949) | ||
| Guyana (1991) | Norway (1949) | ||
| Haiti (1947) | Poland (1999) | ||
| Honduras (1947) | Portugal (1949) | ||
| Jamaica (1969) | Romania (2003) | ||
| Mexico (1947) | Slovakia (2003) | ||
| Nicaragua (1947) | Slovenia (2003) | ||
| Panama (1947) | Spain (1981) | ||
| Paraguay (1947) | Turkey (1951) | ||
| Peru (1947) | United Kingdom (1949) | ||
| St. Kitts & Nevis (1984) | West Germany (1955–90) | ||
| St. Lucia (1979) | Germany (1990) | ||
| St. Vincent (1981) | |||
| Suriname (1977) | |||
| Trinidad & Tobago (1967) | |||
| Uruguay (1947) | |||
| Venezuela (1947) |
| OAS . | NATO . | ANZUS . | Bilateral . |
|---|---|---|---|
| Antigua & Barbuda (1981) | Albania (2009) | Australia (1951) | Israel (1962)* |
| Argentina (1947) | Belgium (1949) | New Zealand (1951–86) | Japan (1951) |
| Bahamas (1982) | Bulgaria (2003) | Pakistan (1959) | |
| Barbados (1967) | Canada (1949) | Philippines (1951) | |
| Belize (1991) | Croatia (2009) | ||
| Bolivia (1947) | Czech Republic (1999) | South Korea (1953) | |
| Brazil (1947) | Denmark (1949) | ||
| Chile (1947) | Estonia (2003) | Taiwan (1954)* | |
| Colombia (1947) | France (1949) | ||
| Costa Rica (1947) | Greece (1951) | ||
| Cuba (1948–62, 2009) | Hungary (1999) | ||
| Dominica (1979) | Iceland (1949) | ||
| Dominican Republic (1947) | Italy (1949) | ||
| Ecuador (1947) | Latvia (2003) | ||
| El Salvador (1947) | Lithuania (2003) | ||
| Grenada (1975) | Luxembourg (1949) | ||
| Guatemala (1947) | Netherlands (1949) | ||
| Guyana (1991) | Norway (1949) | ||
| Haiti (1947) | Poland (1999) | ||
| Honduras (1947) | Portugal (1949) | ||
| Jamaica (1969) | Romania (2003) | ||
| Mexico (1947) | Slovakia (2003) | ||
| Nicaragua (1947) | Slovenia (2003) | ||
| Panama (1947) | Spain (1981) | ||
| Paraguay (1947) | Turkey (1951) | ||
| Peru (1947) | United Kingdom (1949) | ||
| St. Kitts & Nevis (1984) | West Germany (1955–90) | ||
| St. Lucia (1979) | Germany (1990) | ||
| St. Vincent (1981) | |||
| Suriname (1977) | |||
| Trinidad & Tobago (1967) | |||
| Uruguay (1947) | |||
| Venezuela (1947) |
SOURCE: Douglas M. Gibler, International Military Alliances, 1648–2008 (Washington, D.C.: Congressional Quarterly Press, 2009). The updated dataset can be accessed at http://www.correlatesofwar.org/COW2%20Data/Alliances/alliance.htm.
NOTE: OAS stands for Organization of American States; NATO for North Atlantic Treaty Organization; and ANZUS for Australian, New Zealand, United States Security Treaty.
Author's additions.