The 9th Senate of Poland was elected on 25 October 2015 at the 2015 parliamentary election and lasted between 12 November 2015 and 11 November 2019. Senate Marshal was Stanisław Karczewski (PiS).

Presidium OfficeHolderTerms of officeSenior MarshalMichał Seweryński12 November 2015MarshalStanisław Karczewski12 November 201511 November 2019Deputy MarshalsAdam Bielan12 November 201528 May 2019Bogdan Borusewicz12 November 201511 November 2019Grzegorz Czelej12 November 201920 April 2017Maria Koc12 November 201911 November 2019Michał Seweryński20 April 201711 November 2019Marek Pęk26 June 201911 November 2019

Composition

Numbers of senators affiliated with following parliamentary clubs or caucuses as of the first and last day of the 9th term:

Parliamentary groupSenatorsInauguralFinal+/–6261 13326 711Independent Senators Caucus30 3Non-inscrits18 7Total10096 4Vacant04 4

List Full list of 100 senators elected on 25 October 2015 at 2015 election, and one senator by-elected on 6 March 2016:

+ Key Indicates by-elected senator. Indicates senators, who left their seat during their term. For details see . ConstituencySenatorPartyElectoral committeeParliamentary group# of votes% of votes134,85836.93%231,79031.08%368,44743.47%436,38330.60%539,80334.44%683,36937.30%763,11044.69%8 Obremski – Independent Senator from Wrocław89,69960.55%9102,19143.20%10Non-inscrits49,01936.33%1162,47846.94%1237,79035.43%1340,10633.87%1496,06459.48%1596,10159.23%1667,70844.43%17 Grzegorz Bierecki42,86244.12%1842,08349.11%1981,23553.13%2061,01852.05%2144,99134.65%2239,00840.97%23Non-inscrits72,27640.45%2485,63950.36%2543,97144.93%2658,23742.98%2759,41045.63%2871,76446.29%2953,78042.18%30141,28352.66%3185,79349.90%3272,04442.51%3371,85238.04%3477,45954.33%3591,16464.11%3686,95560.38%37Non-inscrits111,78266.70%3880,13343.28%3956,21649.67%40119,87052.78%4199,87539.50%42 Marek BorkowskiNon-inscrits99,87560.69%43108,63842.56%44164,79643.41%45100,44545.09%4675,51445.09%4770,21753.19%4855,59256.34%4954,48961.61%5077,91243.52%5141,62330.68%5227,69329.69%5325,50823.07%5469,02953.96%55118,56764.23%5681,57042.74%5777,10158.71%58110,15557.19%5976,56949.65%59‡30,66146.98%60Non-inscrits92,25245.89%6139,60754.63%6293,59458.12%63Non-inscrits60,59640.25%6478,42153.53%65122,54353.03%6643,84236.21%6727,72140.04%6851,76837.99%6934,96935.18%7061,27135.27%7140,01034.00%7269,01443.36%7357,55244.76%7455,17934.11%7554,71850.48%7657,09236.40%7737,38030.15%7893,29947.64%7958,48243.23%8042,86331.96%8169,11545.74%8254,54936.86%8376,52946.06%8443,36841.37%8533,85735.68%86 Lidia Staroń – Always on People's SideNon-inscrits63,87043.79%8743,72736.44%8845,41032.44%8954,35442.30%9065,74942.92%91163,94067.17%9251,87836.25%9353,75439.98%9433,80228.76%9546,94936.68%9643,06836.84%9769,88736.35%9856,11230.32%99Non-inscrits38,86136.14%10040,45236.88%

Departed/replaced SenatorOffice terminationReasonSucceeded by(Turnout)Assumed seatBohdan Paszkowski9 December 2015Appointed a Voivode of PodlasieAnna Maria Anders6 March 2016 (17.11%)9 March 2016Wiesław Kilian15 March 2019DeathVacant ()colspan=2 Adam Bielan28 May 2019Elected a MEPVacant ()colspan=2 Jarosław Duda28 May 2019Elected a MEPVacant ()colspan=2 Anna Maria Anders23 August 2019Nominated for a Polish Ambassador to ItalyVacant ()colspan=2

See also List of Sejm members (2015–2019) 2015 Polish parliamentary election

References