| Parliament name | 
                    - | 
                  
                  
                    | Structure of parliament | 
                    Bicameral | 
                  
                  
                    | Chamber name (generic / translated) | 
                    Senat / Senate | 
                  
                  
                    | Related chamber (for bicameral parliaments) | 
                    
                      Sejm
                     | 
                  
                  
                    | LEGAL FRAMEWORK | 
                  
                  
                    | Electoral Law | 
                    10 May 1991 Last amendment: 1 August 2011  | 
                  
                  
                    | Mode of designation | 
                    directly elected 100 | 
                  
                  
                    | Constituencies | 
                    100 single-member constituencies | 
                  
                  
                    | Voting system | 
                    Majority:
								Single member plurality system ("first past the post").
 	Vacancies arising between general elections are filled through by-elections (except in the last six months of the legislature's term).
 	Voting is not compulsory.
  | 
                  
                  
                    | Voter requirements | 
                    - age: 18 years
 - Polish citizenship
 - disqualifications: mental deficiency, deprivation of civil or electoral rights by court ruling | 
                  
                  
                    | CANDIDATES | 
                  
                  
                    | Eligibility | 
                    Qualified electors
 - age: 30 years
 - Polish citizenship
 - permanent residence in the country for not less than five years | 
                  
                  
                    | Incompatibilities | 
                    - President of the National Bank of Poland, of the Supreme Chamber of Control, the Commissioner for Citizens' Rights, the Commissioner for Childrens' Rights or their assistants
 - members of the Council for Monetary Policy, of the National Council of Radio Broadcasting and Television
 - ambassadors
 - employment in the chancelleries of the Diet, Senate or President of the Republic
 - employment in government administration (except members of the Council of Ministers and Secretaries of State)
 - judges, public prosecutors
 - civil servants
 - soldiers on active duty, police or State protection forces | 
                  
                  
                    | Candidacy requirements | 
                    - candidatures must be submitted at least 40 days prior to polling day
 - right to nominate candidates is vested in the electors and political parties which may set up national or local electoral committees for this purpose
 - support by at least 3,000 electors residing in the constituency concerned |