# Opinion polling for the 2011 Polish parliamentary election

Opinion polls in the 2011 Polish parliamentary election were first recorded on 16 May 2010 and culminated before election day on 9 October.

## Opinion polls
### 2011

| Dates of Polling | Polling Firm/Link | PO | PiS | SLD | PSL | RP | PJN | Others/Undecided | Lead |
| October 9, 2011 | Election results | 39.2 | 29.9 | 8.2 | 8.4 | 10.0 | 2.2 | 2.1 | 9.3 |
| October 7, 2011 | Homo Homini | 32.1 | 29.5 | 12.2 | 7.8 | 5.8 | - | 12.6 | 2.6 |
| October 4, 2011 | GfK Polonia | 46 | 31 | 9 | 5 | 4 | - | 5 | 15 |
| October 1–2, 2011 | SMG/KRC | 32 | 29 | 10 | 5 | 8 | 2 | 14 | 3 |
| October 2011 | CBOS | 34 | 20 | 9 | 6 | 7 | 1 | 23 | 14 |
| September 29, 2011 | TNS OBOP | 31 | 22 | 6 | 6 | 7 | 2 | 26 | 9 |
| September 19, 2011 | SMG/KRC | 35 | 29 | 13 | 5 | 6 | 1 | 11 | 6 |
| September 16–19, 2011 | Estymator | 35.1 | 29.6 | 13.7 | 7.1 | 7.6 | 4.1 | 2.8 | 5.5 |
| September 14–15, 2011 | TNS OBOP | 40 | 33 | 11 | 7 | 5 | 1 | 3 | 7 |
| September 12–15, 2011 | Estymator | 36.3 | 28.6 | 14.9 | 7.1 | 6.3 | 4.4 | 2.4 | 7.7 |
| September 9, 2011 | Homo Homini | 31 | 29 | 14 | 7 | - | 4 | 15 | 2 |
| September 1–4, 2011 | TNS OBOP | 46 | 29 | 11 | 7 | 3 | 1 | 3 | 17 |
| September 2, 2011 | Homo Homini | 32 | 24 | 12 | 7 | 2 | 3 | 20 | 8 |
| September 2011 | CBOS | 37 | 20 | 7 | 6 | 2 | 1 | 27 | 17 |
| August 11–16, 2011 | GfK Polonia | 48 | 30 | 11 | 5 | 2 | 1 | 3 | 18 |
| August 4–8, 2011 | TNS OBOP | 45 | 30 | 9 | 7 | 1 | 1 | 7 | 15 |
| August 2011 | CBOS | 36 | 20 | 8 | 4 | 1 | 0 | 31 | 16 |
| July 29, 2011 | SMG/KRC | 38 | 28 | 11 | 6 | 1 | 1 | 15 | 10 |
| July 21–25, 2011 | GfK Polonia | 47 | 30 | 11 | 5 | 2 | 1 | 4 | 17 |
| July 21–24, 2011 | TNS OBOP | 41 | 29 | 13 | 8 | - | - | 9 | 12 |
| July 15, 2011 | Homo Homini | 34.5 | 29.1 | 11.5 | 6.4 | 1.1 | 1.6 | 15.8 | 5.4 |
| July 7–11, 2011 | TNS OBOP | 45 | 28 | 13 | 6 | 1 | 1 | 6 | 17 |
| July 2011 | CBOS | 38 | 17 | 9 | 4 | 1 | 0 | 31 | 21 |
| June 26, 2011 | Homo Homini | 37.7 | 28.5 | 14.5 | 6.8 | - | 3.9 | 8.6 | 11.9 |
| June 17, 2011 | Homo Homini | 38 | 29 | 13 | 6 | - | 3 | 11 | 11 |
| June 2–6, 2011 | TNS OBOP | 44 | 25 | 16 | 5 | 1 | 2 | 7 | 19 |
| June 2011 | CBOS | 34 | 22 | 11 | 5 | 1 | 3 | 24 | 12 |
| May 21, 2011 | Homo Homini | 36.6 | 25.8 | 14.6 | 7.2 | 1.1 | 2.3 | 12.4 | 10.8 |
| May 6–10, 2011 | TNS OBOP | 44 | 27 | 18 | 4 | 0 | 2 | 5 | 17 |
| May 2011 | CBOS | 37 | 21 | 12 | 4 | 1 | 1 | 24 | 16 |
| April 19–20, 2011 | SMG/KRC | 38 | 29 | 15 | 3 | 1 | 2 | 12 | 11 |
| April 14–17, 2011 | TNS OBOP | 40 | 26 | 18 | 5 | 2 | 2 | 7 | 14 |
| April 11, 2011 | Homo Homini | 32.6 | 30.1 | 14.9 | 7.7 | - | - | 14.7 | 2.5 |
| April 7–11, 2011 | TNS OBOP | 39 | 27 | 18 | 6 | 1 | 2 | 7 | 12 |
| April 1, 2011 | Homo Homini | 31.0 | 25.9 | 15.8 | 7.0 | 0.5 | 3.3 | 16.5 | 5.1 |
| April 2011 | CBOS | 31 | 23 | 12 | 5 | 1 | 2 | 26 | 8 |
| March 24–28, 2011 | GfK Polonia | 46 | 29 | 15 | 5 | - | - | 15 | 17 |
| March 10–14, 2011 | Homo Homini | 36.7 | 24.9 | 17.0 | 8.3 | 2.5 | 2.8 | 7.8 | 11.8 |
| March 11, 2011 | Homo Homini | 33.1 | 26.0 | 17.8 | 7.4 | 1.6 | 3.8 | 10.3 | 7.1 |
| March 6, 2011 | SMG/KRC | 38 | 27 | 14 | 6 | 1 | 2 | 12 | 11 |
| March 3–6, 2011 | TNS OBOP | 47 | 24 | 15 | 5 | 2 | 3 | 4 | 23 |
| March 2011 | CBOS | 35 | 18 | 16 | 4 | 1 | 3 | 23 | 17 |
| February 24, 2011 | SMG/KRC | 36 | 30 | 16 | 5 | 1 | 4 | 8 | 6 |
| February 24, 2011 | Homo Homini | 33.2 | 31.0 | 14.9 | 6.4 | - | 4.7 | 9.8 | 2.2 |
| February 23–24, 2011 | TNS OBOP | 44 | 26 | 18 | 7 | - | 3 | 2 | 18 |
| February 18, 2011 | Homo Homini | 31 | 27 | 16 | 8 | 3 | 5 | 10 | 4 |
| February 9–10, 2011 | TNS OBOP | 43 | 26 | 21 | 4 | - | 3 | 3 | 17 |
| February 3–6, 2011 | TNS OBOP | 41 | 26 | 13 | 7 | 2 | 6 | 5 | 15 |
| February 3-9, 2011 | CBOS | 37 | 20 | 12 | 4 | 0 | 4 | 23 | 17 |
| January 31, 2011 | SMG/KRC | 37 | 29 | 16 | 3 | - | 4 | 11 | 8 |
| January 14, 2011 | Homo Homini | 35.6 | 26.0 | 13.6 | 7.0 | - | 5.0 | 12.8 | 9.6 |
| January 7–10, 2011 | TNS OBOP | 54 | 24 | 11 | 3 | 1 | 3 | 4 | 30 |
| January 8, 2011 | Homo Homini | 37 | 24 | 15 | 8 | 1 | 5 | 10 | 13 |
| January 5, 2011 | SMG/KRC | 38 | 28 | 13 | 5 | 2 | 3 | 11 | 10 |
| January 2011 | CBOS | 39 | 20 | 9 | 6 | 1 | 3 | 22 | 19 |

### 2010

| Dates of Polling | Polling Firm/Link | PO | PiS | SLD | PSL | RP | PJN | Others/Undecided | Lead |
| December 31, 2010 | Homo Homini | 33.5 | 24.4 | 16.6 | 8.0 | - | 4.5 | 13.0 | 9.1 |
| December 18–19, 2010 | Homo Homini | 34.7 | 24.8 | 14.8 | 8.3 | - | 5.3 | 12.1 | 9.9 |
| December 13, 2010 | SMG/KRC | 40 | 25 | 13 | 6 | - | 8 | 8 | 15 |
| December 2–5, 2010 | TNS OBOP | 50 | 22 | 12 | 7 | 1 | 2 | 6 | 28 |
| December 7-14, 2010 | CBOS | 41 | 21 | 11 | 6 | 0 | 1 | 20 | 20 |
| November 21, 2010 | Local elections | 30.9 | 23.1 | 15.2 | 16.3 | - | - | 14.5 | 7.8 |
| November 18, 2010 | Homo Homini | 36.4 | 21.0 | 18.2 | 10.7 | 5.1 | 8.6 | - | 15.4 |
| November 12, 2010 | Homo Homini | 39.5 | 16.3 | 15.1 | 8.3 | 5.5 | 8.2 | 7.1 | 23.2 |
| November 5–8, 2010 | TNS OBOP | 52 | 23 | 12 | 4 | 1 | - | 8 | 29 |
| November 2010 | CBOS | 40 | 19 | 11 | 6 | 0 | - | 24 | 21 |
| October 21–25, 2010 | GfK Polonia | 50 | 35 | 8 | 3 | 1 | - | 3 | 15 |
| October 7–10, 2010 | GfK Polonia | 47 | 32 | 11 | 4 | 2 | - | 4 | 15 |
| October 7–10, 2010 | TNS OBOP | 46 | 26 | 13 | 4 | - | - | 11 | 20 |
| October 2010 | CBOS | 39 | 23 | 9 | 4 | 2 | - | 23 | 16 |
| September 2–5, 2010 | TNS OBOP | 47 | 34 | 12 | 4 | - | - | 3 | 13 |
| September 2010 | CBOS | 43 | 23 | 13 | 3 | - | - | 18 | 20 |
| August 28, 2010 | Homo Homini | 42.9 | 29.8 | 13.6 | 5.3 | - | - | 8.4 | 13.1 |
| August 5–8, 2010 | TNS OBOP | 45 | 29 | 14 | 6 | - | - | 6 | 16 |
| August 2010 | CBOS | 41 | 29 | 9 | 3 | - | - | 18 | 12 |
| July 8–12, 2010 | TNS OBOP | 52 | 31 | 11 | 4 | - | - | 2 | 21 |
| July 2010 | CBOS | 40 | 30 | 11 | 3 | - | - | 16 | 10 |
| July 4, 2010 | Presidential elections - II Round | 53.0 | 47.0 | - | - | - | - | - | 6.0 |
| June 20, 2010 | Presidential elections - I Round | 41.5 | 36.5 | 13.7 | 1.8 | - | - | 6.5 | 5.0 |
| June 10–15, 2010 | TNS OBOP | 46 | 36 | 9 | 3 | - | - | 6 | 10 |
| June 2010 | CBOS | 42 | 28 | 8 | 4 | - | - | 18 | 14 |
| May 7–10, 2010 | TNS OBOP | 47 | 39 | 6 | 4 | - | - | 4 | 8 |
| May 2010 | CBOS | 42 | 28 | 6 | 3 | - | - | 21 | 14 |
| April 8–14, 2010 | TNS OBOP | 52 | 33 | 7 | 4 | - | - | 4 | 19 |
| April 2010 | CBOS | 38 | 25 | 7 | 5 | - | - | 25 | 13 |
| March 30, 2010 | Homo Homini | 45.8 | 24.8 | 13.9 | 5.0 | - | - | 10.5 | 21 |
| March 18–22, 2010 | GfK Polonia | 50 | 24 | 9 | 6 | - | - | 11 | 26 |
| March 4–7, 2010 | TNS OBOP | 59 | 24 | 8 | 3 | - | - | 6 | 35 |
| March 2010 | CBOS | 39 | 23 | 8 | 6 | - | - | 24 | 16 |
| February 4–7, 2010 | TNS OBOP | 57 | 25 | 7 | 5 | - | - | 6 | 32 |
| February 2010 | CBOS | 43 | 19 | 7 | 6 | - | - | 25 | 24 |
| January 7–10, 2010 | TNS OBOP | 49 | 28 | 12 | 4 | - | - | 7 | 21 |
| January 2010 | CBOS | 38 | 24 | 7 | 5 | - | - | 26 | 14 |

### 2009

| Dates of Polling | Polling Firm/Link | PO | PiS | SLD | PSL | SRP | LPR | Others/Undecided | Lead |
| December 5–6, 2009 | PBS DGA | 46 | 26 | 9 | 7 | - | - | 12 | 20 |
| December 3–6, 2009 | TNS OBOP | 49 | 27 | 9 | 6 | 1 | 2 | 6 | 22 |
| December 2009 | CBOS | 36 | 24 | 7 | 4 | 1 | - | 28 | 12 |
| November 5–8, 2009 | TNS OBOP | 53 | 24 | 10 | 4 | 1 | 2 | 6 | 29 |
| November 2009 | CBOS | 38 | 18 | 9 | 5 | 1 | 1 | 28 | 20 |
| October 2–4, 2009 | PBS DGA | 48 | 28 | 10 | 6 | - | - | 8 | 20 |
| October 1–4, 2009 | TNS OBOP | 53 | 20 | 6 | 9 | 1 | 2 | 9 | 33 |
| October 2009 | CBOS | 41 | 17 | 8 | 6 | 1 | 1 | 26 | 24 |
| September 3–6, 2009 | TNS OBOP | 53 | 26 | 9 | 6 | 1 | 0 | 5 | 27 |
| September 2009 | CBOS | 41 | 20 | 8 | 5 | 1 | 1 | 24 | 21 |
| August 6–9, 2009 | TNS OBOP | 51 | 26 | 12 | 5 | 1 | 1 | 4 | 25 |
| August 2009 | CBOS | 40 | 18 | 7 | 6 | 1 | 1 | 27 | 22 |
| July 17–19, 2009 | Gfk Polonia | 56 | 20 | 11 | 7 | 1 | 1 | 4 | 36 |
| July 3–5, 2009 | Gfk Polonia | 55 | 18 | 12 | 6 | - | - | 9 | 37 |
| July 2–5, 2009 | TNS OBOP | 54 | 23 | 11 | 4 | 1 | 1 | 6 | 31 |
| July 2009 | CBOS | 40 | 20 | 7 | 6 | 1 | 1 | 25 | 20 |
| June 7, 2009 | European Parliament election | 44.4 | 27.4 | 12.3 | 7.0 | 1.5 | - | 7.4 | 17.0 |
| June 4–7, 2009 | TNS OBOP | 52 | 26 | 8 | 7 | 2 | 1 | 4 | 26 |
| June 4, 2009 | PBS DGA | 56 | 26 | 10 | 6 | - | - | 2 | 30 |
| June 2009 | CBOS | 38 | 17 | 6 | 6 | 2 | 2 | 29 | 21 |
| May 22–24, 2009 | PBS DGA | 47 | 25 | 10 | 9 | 3 | - | 6 | 22 |
| May 7–10, 2009 | TNS OBOP | 50 | 24 | 9 | 4 | 5 | 2 | 6 | 26 |
| May 2009 | CBOS | 40 | 17 | 8 | 5 | 2 | 2 | 26 | 23 |
| April 2–5, 2009 | TNS OBOP | 58 | 20 | 8 | 5 | 0 | 3 | 6 | 38 |
| April 2009 | CBOS | 40 | 17 | 9 | 4 | 1 | 1 | 28 | 23 |
| March 5–8, 2009 | TNS OBOP | 54 | 26 | 6 | 4 | 1 | 3 | 6 | 28 |
| March 2009 | CBOS | 42 | 20 | 8 | 5 | 1 | 1 | 23 | 22 |
| February 20–22, 2009 | PBS DGA | 50 | 27 | 8 | 6 | - | 5 | 4 | 23 |
| February 5–8, 2009 | TNS OBOP | 52 | 26 | 6 | 6 | 2 | 3 | 5 | 26 |
| February 2009 | CBOS | 45 | 18 | 5 | 4 | 1 | 3 | 24 | 27 |
| January 8–11, 2009 | TNS OBOP | 52 | 27 | 7 | 4 | 2 | 3 | 5 | 25 |
| January 2009 | CBOS | 44 | 17 | 7 | 5 | 1 | 1 | 25 | 27 |

### 2008

| Dates of Polling | Polling Firm/Link | PO | PiS | SLD | PSL | SRP | LPR | Others/Undecided | Lead |
| December 4–8, 2008 | TNS OBOP | 60 | 19 | 6 | 5 | 2 | 3 | 5 | 41 |
| December 2008 | CBOS | 43 | 18 | 8 | 5 | 2 | 1 | 23 | 27 |
| November 6–10, 2008 | TNS OBOP | 57 | 26 | 8 | 4 | 1 | 1 | 3 | 31 |
| November 2008 | CBOS | 34 | 18 | 7 | 7 | 1 | 2 | 31 | 16 |
| October 2–6, 2008 | TNS OBOP | 55 | 24 | 6 | 6 | 2 | 1 | 6 | 31 |
| October 2008 | CBOS | 40 | 20 | 6 | 6 | 1 | 2 | 25 | 20 |
| September 4–8, 2008 | TNS OBOP | 54 | 28 | 6 | 4 | 2 | 1 | 5 | 26 |
| September 2008 | CBOS | 41 | 19 | 6 | 4 | 1 | 1 | 28 | 22 |
| August 27, 2008 | PBS DGA | 49 | 29 | 5 | 6 | 2 | 3 | 6 | 20 |
| August 7–11, 2008 | TNS OBOP | 55 | 23 | 5 | 6 | 2 | 1 | 8 | 32 |
| August 2008 | CBOS | 40 | 18 | 7 | 6 | 1 | 2 | 26 | 22 |
| July 3–7, 2008 | TNS OBOP | 55 | 24 | 8 | 3 | 2 | 1 | 7 | 31 |
| July 2008 | CBOS | 42 | 18 | 6 | 4 | 2 | 2 | 26 | 24 |
| June 5–9, 2008 | TNS OBOP | 55 | 26 | 7 | 5 | 1 | 1 | 5 | 29 |
| June 2008 | CBOS | 45 | 19 | 6 | 5 | 2 | 1 | 22 | 26 |
| May 8–12, 2008 | TNS OBOP | 54 | 21 | 6 | 6 | 2 | 2 | 9 | 31 |
| May 2008 | CBOS | 49 | 18 | 5 | 5 | 1 | 1 | 21 | 31 |
| April 3–7, 2008 | TNS OBOP | 55 | 24 | 8 | 6 | 2 | 3 | 2 | 31 |
| April 2008 | CBOS | 49 | 18 | 5 | 4 | 1 | 2 | 21 | 31 |
| March 28–30, 2008 | SMG/KRC | 50 | 25 | 7 | 6 | - | - | 12 | 25 |
| March 6–10, 2008 | TNS OBOP | 51 | 26 | 12 | 4 | 2 | 2 | 3 | 25 |
| March 7–9, 2008 | PBS | 60 | 23 | 8 | 5 | 1 | 1 | 2 | 37 |
| March 2008 | CBOS | 49 | 22 | 5 | 4 | 0 | 2 | 18 | 27 |
| February 7–11, 2008 | TNS OBOP | 58 | 24 | 11 | 4 | 0 | 1 | 2 | 34 |
| February 2008 | CBOS | 48 | 19 | 9 | 5 | 1 | 2 | 16 | 29 |
| January 10–14, 2008 | TNS OBOP | 52 | 25 | 11 | 6 | 3 | 2 | 1 | 27 |
| January 2008 | CBOS | 53 | 21 | 7 | 6 | 1 | 1 | 11 | 32 |

### 2007

| Dates of Polling | Polling Firm/Link | PO | PiS | SLD | PSL | SRP | LPR | Others/Undecided | Lead |
| December 6–10, 2007 | TNS OBOP | 59 | 19 | 8 | 7 | 1 | 2 | 4 | 40 |
| December 1–4, 2007 | CBOS | 50 | 22 | 8 | 7 | 2 | 1 | 10 | 28 |
| November 22, 2007 | PBS DGA | 58 | 23 | 8 | 8 | - | - | 3 | 35 |
| November 15, 2007 | Gfk Polonia | 49 | 20 | 7 | 5 | - | - | 19 | 29 |
| November 10–15, 2007 | CBOS | 47 | 25 | 8 | 8 | 1 | 1 | 9 | 29 |
| November 8–12, 2007 | TNS OBOP | 49 | 28 | 10 | 10 | 1 | 1 | 1 | 29 |
| November 11, 2007 | SMG/KRC | 53.6 | 22.1 | 7.9 | 8.0 | - | - | 8.4 | 35 |
| October 21, 2007 | Election results | 41.5 | 32.1 | 13.2 | 8.9 | 1.5 | 1.3 | 1.5 | 9.4 |