Estonia is a party to 181 international organizations, including the BIS, CBSS, CCC, CE, EAPC, EBRD, ECE, EU (applicant), FAO, IAEA, IBRD, ICAO, ICFTU, ICRM, IFC, IFRCS, IHO, ILO, IMF, International Maritime Organization, Interpol, IOC, IOM (observer), ISO (correspondent), ITU, OPCW, OSCE, PFP, UN, UNCTAD, UNESCO, UNMIBH, UNMIK, UNTSO, UPU, WEU (associate partner), WHO, WIPO, WMO, WTO.

Disputes - international: Estonian and Russian negotiators reached a technical border agreement in December 1996 which has not been signed or ratified as of 1 January 2000

Illicit drugs: transshipment point for opiates and cannabis from Southwest Asia and the Caucasus via Russia, cocaine from Latin America to Western Europe and Scandinavia, and synthetic drugs from Western Europe to Scandinavia; possible precursor manufacturing and/or trafficking