Constitution:
17 September 1787, effective 4 March 1789

Legal system:
federal court system based on English common law; each state has
its own unique legal system, of which all but one (Louisiana's) is
based on English common law; judicial review of legislative acts;
accepts compulsory ICJ jurisdiction with reservations

Suffrage:
18 years of age; universal

Executive branch:
chief of state: President George W. BUSH (since 20 January 2001);
note - the president is both the chief of state and head of
government
head of government: President George W. BUSH (since 20 January
2001); note - the president is both the chief of state and head of
government
cabinet: Cabinet appointed by the president with Senate approval
elections: president and vice president elected on the same ticket
by a college of representatives who are elected directly from each
state; president and vice president serve four-year terms; election
last held 2 November 2004 (next to be held November 2008)
election results: George W. BUSH reelected president; percent of
popular vote - George W. BUSH (Republican Party) 50.9%, John KERRY
(Democratic Party) 48.1%, other 1.0%

Legislative branch:
bicameral Congress consists of the Senate (100 seats, one-third are
renewed every two years; two members are elected from each state by
popular vote to serve six-year terms) and the House of
Representatives (435 seats; members are directly elected by popular
vote to serve two-year terms)
elections: Senate - last held 2 November 2004 (next to be held
November 2006); House of Representatives - last held 2 November 2004
(next to be held November 2006)
election results: Senate - percent of vote by party - NA%; seats by
party - Republican Party 55, Democratic Party 44, independent 1;
House of Representatives - percent of vote by party - NA%; seats by
party - Republican Party 231, Democratic Party 200, undecided 4

Judicial branch:
Supreme Court (its nine justices are appointed for life on
condition of good behavior by the president with confirmation by the
Senate); United States Courts of Appeal; United States District
Courts; State and County Courts

Political parties and leaders:
Democratic Party [Howard DEAN]; Green Party [leader NA];
Libertarian Party [Steve DAMERELL]; Republican Party [Ken MEHLMAN]

Political pressure groups and leaders:
NA

International organization participation:
AfDB, ANZUS, APEC, ARF, AsDB, ASEAN (dialogue partner), Australia
Group, BIS, CE (observer), CERN (observer), CP, EAPC, EBRD, FAO,
G-5, G-7, G- 8, G-10, IADB, IAEA, IBRD, ICAO, ICC, ICCt (signatory),
ICFTU, ICRM, IDA, IEA, IFAD, IFC, IFRCS, IHO, ILO, IMF, IMO,
Interpol, IOC, IOM, ISO, ITU, MIGA, MINUSTAH, NAM (guest), NATO,
NEA, NSG, OAS, OECD, OPCW, OSCE, Paris Club, PCA, UN, UN Security
Council, UNCTAD, UNESCO, UNHCR, UNITAR, UNMEE, UNMIK, UNMIL,
UNMOVIC, UNOMIG, UNRWA, UNTSO, UPU, WCL, WCO, WHO, WIPO, WMO, WTO, ZC

Flag description:
13 equal horizontal stripes of red (top and bottom) alternating
with white; there is a blue rectangle in the upper hoist-side corner
bearing 50 small, white, five-pointed stars arranged in nine offset
horizontal rows of six stars (top and bottom) alternating with rows
of five stars; the 50 stars represent the 50 states, the 13 stripes
represent the 13 original colonies; known as Old Glory; the design
and colors have been the basis for a number of other flags,
including Chile, Liberia, Malaysia, and Puerto Rico