Poland is a semi-presidential republic in which a directly elected President serves as head of state and a Prime Minister, supported by a parliamentary majority, serves as head of government. Lawmaking is shared by a bicameral parliament made up of the 460-seat Sejm and the 100-seat Senate, and the whole system is governed by the Constitution of 1997. Power is therefore split deliberately between the presidency, the cabinet, and the legislature, with an independent judiciary intended to keep all three in check.
Who Holds Power: President, Prime Minister, and Cabinet
Poland's executive branch has two distinct heads, which is what makes the system "semi-presidential" rather than purely parliamentary. The President is chosen directly by voters for a five-year term and may serve a maximum of two terms. As head of state, the President represents Poland abroad, is commander-in-chief of the armed forces, ratifies treaties, and nominates senior officials and judges. One of the office's most consequential tools is the legislative veto: the President can refuse to sign a bill passed by parliament, and the Sejm can only override that veto with a three-fifths majority.
Day-to-day governing, however, belongs to the Prime Minister, who heads the Council of Ministers (the cabinet). The Prime Minister sets domestic, economic, and administrative policy and depends on the confidence of the Sejm to stay in office. Because the President and Prime Minister can come from rival political camps, periods of "cohabitation" are common and can produce tension over foreign policy, appointments, and the use of the veto.
The Legislature: Sejm and Senate
Poland's parliament is bicameral. The lower house, the Sejm, has 460 deputies elected by proportional representation, and it is by far the more powerful chamber. The Sejm approves the budget, passes laws, holds the government accountable, and can dismiss ministers. The upper house, the Senate, has 100 senators elected from single-member districts and acts mainly as a chamber of review: it can propose amendments to bills or reject them, but the Sejm can usually override the Senate by an absolute majority.
Both chambers are elected for four-year terms, and together they form the National Assembly when they meet jointly, for example to hear a presidential oath. Major political parties compete for seats under a system that requires most parties to clear a 5 percent national threshold to enter the Sejm, which tends to favour larger, established groupings and coalition governments.
Courts, the Constitution, and Local Government
The 1997 Constitution is the supreme law of Poland and sets out citizens' rights as well as the separation of powers. Two top courts anchor the judiciary: the Supreme Court, which is the highest court for civil and criminal matters, and the Constitutional Tribunal, which rules on whether laws conform to the constitution. There is also a Supreme Administrative Court for disputes involving public administration. The independence of these institutions, and the way judges are appointed, became one of the most heavily debated political questions in Poland during the 2010s and early 2020s, drawing scrutiny from the European Union.
Poland is a unitary state, not a federation, but it delegates significant authority to elected local government. The country is divided into 16 voivodeships (provinces), which are further split into counties (powiaty) and municipalities (gminy). Each level has its own elected councils and executives, giving regions a real say over schools, roads, healthcare facilities, and local development.
From Solidarity to the European Union
Modern Polish democracy was forged out of the collapse of communism. The independent Solidarity trade union, which emerged from the Gdańsk shipyard strikes of 1980 under Lech Wałęsa, became the first mass independent movement in the Soviet bloc. The Round Table negotiations of 1989 led to partly free elections that Solidarity won decisively, opening the door to full democracy and inspiring change across Eastern Europe. Poland went on to join NATO in 1999 and the European Union in 2004, anchoring its institutions firmly in the West. This democratic tradition runs deep: Poland's Constitution of 3 May 1791 was the first codified national constitution in Europe. For more on the country's geography, regions, and culture, see our poland country guide.
Frequently Asked Questions
What type of government does Poland have?
Poland is a semi-presidential parliamentary republic. Executive power is shared between a directly elected President (head of state) and a Prime Minister (head of government) who leads the Council of Ministers and must hold the confidence of parliament.
What is the capital of Poland and where does the government sit?
Warsaw is the capital and the seat of government. The presidential palace, the Sejm and Senate buildings, and the main government ministries are all located there.
How is the Polish President chosen?
The President is elected directly by the public for a five-year term and can serve at most two terms. If no candidate wins more than half the vote in the first round, a second-round run-off is held between the top two candidates.
What is the difference between the Sejm and the Senate?
The Sejm is the 460-member lower house and the dominant lawmaking chamber, controlling the budget and the government's survival. The Senate is the 100-member upper house that reviews and proposes amendments to legislation but can usually be overridden by the Sejm.