Constitution:
Constitution of the Commonwealth of the Northern Mariana Islands effective 1 January 1978; Covenant Agreement fully effective 4 November 1986
Legal system:
based on US system except for customs, wages, immigration laws, and taxation
Suffrage:
18 years of age; universal; indigenous inhabitants are US citizens but do not vote in US presidential elections
Executive branch:
chief of state: President Barack H. OBAMA (since 20 January 2009); Vice President Joseph R. BIDEN (since 20 January 2009)
head of government: Governor Benigno R. FITIAL (since 9 January 2006); Lieutenant Governor Eloy S. INOS (since 1 May 2009)
cabinet: the cabinet consists of the heads of the 10 principal departments under the executive branch who are appointed by the governor with the advice and consent of the Senate; other members include special assistants to the governor and office heads appointed by and reporting directly to the governor (For more information visit the World Leaders website ) elections: under the US Constitution, residents of unincorporated territories, such as the Commonwealth of the Northern Mariana Islands, do not vote in elections for US president and vice president; however, they may vote in the Democratic and Republican party presidential primary elections; governor and lieutenant governor elected on the same ticket by popular vote for four-year terms (eligible for a second term); election last held on 7 November 2009 (run-off election was held on 23 November 2009)