El Salvador is a member of the United Nations and several of its specialized agencies, the Organization of American States (OAS), the Central American Common Market (CACM), the Central American Parliament (PARLACEN), and the Central American Integration System (SICA). It actively participates in the Central American Security Commission (CASC), which seeks to promote regional arms control. El Salvador also is a member of the World Trade Organization and is pursuing regional free trade agreements. An active participant in the Summit of the Americas process, El Salvador chairs a working group on market access under the Free Trade Area of the Americas initiative. El Salvador has joined its six Central American neighbors in signing the Alliance for Sustainable Development, known as the Conjunta Centroamerica-USA or CONCAUSA to promote sustainable economic development in the region.

El Salvador maintains diplomatic relations with the Republic of China (Taiwan) instead of the People's Republic of China.

Disputes - international: In July 1969, El Salvador and Honduras fought the 100-hour Football War over disputed border areas and friction resulting from the 300,000 Salvadorans who had emigrated to Honduras in search of land and employment. The catalyst was nationalistic feelings aroused by a series of soccer matches between the two countries. The two countries formally signed a peace treaty on October 30, 1980, which put the border dispute before the International Court of Justice. In September 1992, the court issued a 400-page ruling, awarding much of the disputed land to Honduras. Although there have been tensions between citizens on both sides of the border, the two countries have worked to maintain stability and signed an agreement in November 1996 to establish a framework for negotiating the final disposition of citizens and property in the affected areas. El Salvador and Honduras share normal diplomatic and trade relations.

The Honduras-El Salvador Border Protocol ratified by Honduras in May 1999 established a framework for a long-delayed border demarcation, which is currently underway; with respect to the maritime boundary in the Golfo de Fonseca, the ICJ referred to the line determined by the 1900 Honduras-Nicaragua Mixed Boundary Commission and advised that some tripartite resolution among El Salvador, Honduras and Nicaragua likely would be required

Illicit drugs: transshipment point for cocaine; marijuana produced for local consumption; domestic drug abuse on the rise.