chief of state: President Lech KACZYNSKI (since 23 December 2005)
head of government: Prime Minister Donald TUSK (since 16 November 2007); Deputy Prime Minister Waldemar PAWLAK (since 16 November 2007)
cabinet: Council of Ministers responsible to the prime minister and the Sejm; the prime minister proposes, the president appoints, and the Sejm approves the Council of Ministers
elections: president elected by popular vote for a five-year term (eligible for a second term); election last held 9 and 23 October 2005 (next to be held in the fall 2010); prime minister and deputy prime ministers appointed by the president and confirmed by the Sejm
election results: Lech KACZYNSKI elected president; percent of popular vote - Lech KACZYNSKI 54%, Donald Tusk 46%
Legislative branch:
bicameral legislature consists of an upper house, the Senate or Senat (100 seats; members are elected by a majority vote on a provincial basis to serve four-year terms), and a lower house, the Sejm (460 seats; members are elected under a complex system of proportional representation to serve four-year terms); the designation of National Assembly or Zgromadzenie Narodowe is only used on those rare occasions when the two houses meet jointly
elections: Senate - last held 21 October 2007 (next to be held by October 2011); Sejm elections last held 21 October 2007 (next to be held by October 2011)
election results: Senate - percent of vote by party - NA; seats by party - PO 60, PiS 39, independents 1; Sejm - percent of vote by party - PO 41.5%, PiS 32.1%, LiD 13.2%, PSL 8.9%, other 4.3%; seats by party - PO 209, PiS 166, LiD 53, PSL 31, German minorities 1; note - seats by parliamentary grouping as of February 2009 - PO 208, PiS 156, Left 42, PSL 31, SDPL-New Left 5, Polska XXI 6, Democratic Caucus 3, German minorities 1, nonaffiliated 8
note: one seat is assigned to ethnic minority parties in the Sejm only