conventional short form: Northern Mariana Islands
former: Mariana Islands District (Trust Territory of the Pacific Islands)
Dependency status: commonwealth in political union with the US; federal funds to the Commonwealth administered by the US Department of the Interior, Office of Insular Affairs
Government type: commonwealth; self-governing with locally elected governor, lieutenant governor, and legislature
Capital: Saipan
Administrative divisions: none (commonwealth in political union with the US); there are no first-order administrative divisions as defined by the US Government, but there are four municipalities at the second order; Northern Islands, Rota, Saipan, Tinian
Independence: none (commonwealth in political union with the US)
National holiday: Commonwealth Day, 8 January (1978)
Constitution: Covenant Agreement effective 4 November 1986 and the Constitution of the Commonwealth of the Northern Mariana Islands effective 1 January 1978
Legal system: based on US system, except for customs, wages, immigration laws, and taxation