Constitution:

constitution signed by King PHUMIPHON (BHUMIBOL) on 24 August 2007

Legal system:

based on civil law system, with influences of common law; has not
accepted compulsory ICJ jurisdiction

Suffrage:

18 years of age; universal and compulsory

Executive branch:

chief of state: King PHUMIPHON Adunyadet or (BHUMIBOL Adulyadej)
(since 9 June 1946)
head of government: Prime Minister ABHISIT Wetchachiwa, also spelled
ABHISIT Vejjajiva (since 17 December 2008); Deputy Prime Minister
OLARN Cahipravat (since 24 September 2008); Deputy Prime Minister
SANAN Kachornprasat, also spelled SANAN Kachornparsart (since 7
February 2008); Deputy Prime Minister SOMPONG Amornwiwat (since 24
September 2008)
cabinet: Council of Ministers
note: there is also a Privy Council
elections: monarch is hereditary; according to 2007 constitution,
prime minister is designated from among members of House of
Representatives; following national elections for House of
Representatives, leader of party that could organize a majority
coalition usually was appointed prime minister by king; prime
minister is limited to two 4-year terms

Legislative branch:

bicameral National Assembly or Rathasapha consisted of the Senate or
Wuthisapha (150 seats; 76 members elected by popular vote
representing 76 provinces, 74 appointed by judges and independent
government bodies; all serve six-year terms) and the House of
Representatives or Sapha Phuthaen Ratsadon (480 seats; 400 members
elected from 157 multi-seat constituencies and 80 elected on
proportional party-list basis of 10 per eight zones or groupings of
provinces; all serve four-year terms)
elections: Senate - last held on 2 March 2008 (next to be held in
March 2014); House of Representatives - last election held on 23
December 2007 (next to be held in December 2011)
election results: Senate - percent of vote by party - NA; seats by
party - NA; House of Representatives - percent of vote by party -
NA; seats by party - PPP 233, DP 164, TNP 34, Motherland 24, Middle
Way 11, Unity 9, Royalist People's 5
note: 74 senators were appointed on 19 February 2008 by a
seven-member committee headed by the chief of the Constitutional
Court; 76 senators were elected on 2 March 2008; elections to the
Senate are non-partisan; registered political party members are
disqualified from being senators

Judicial branch:

Supreme Court or Sandika (judges appointed by the monarch)

Political