Data code: none; there is no FIPS 10-4 country code for the World, so the Factbook uses the "W" data code from DIAM 65-18 "Geopolitical Data Elements and Related Features," Data Standard No. 3, March 1984, published by the Defense Intelligence Agency; see the Cross-Reference List of Country Data Codes appendix

Administrative divisions: 266 nations, dependent areas, other, and miscellaneous entries

Legal system: all members of the UN (excluding Yugoslavia) plus Nauru and Switzerland are parties to the statute that established the International Court of Justice (ICJ) or World Court