Percentage of votes
| Specification | Votes 2014 | Votes 2009 | Diff. on 2009 in p.p. | ||
|---|---|---|---|---|---|
| Number | % | Number | % | ||
| Persons entitled to vote | 3,392,983 | – | 3,526,777 | – | – |
| Voters | 1,669,244 | 49.2 | 1,677,354 | 47.6 | +1.6 |
| Invalid | 47,487 | 2.8 | 71,798 | 4.3 | -1.4 |
| Valid | 1,621,757 | 97.2 | 1,605,556 | 95.7 | +1.4 |
| CDU | 559,899 | 34.5 | 567,231 | 35.3 | -0.8 |
| DIE LINKE | 296,853 | 18.3 | 321,988 | 20.1 | -1.8 |
| SPD | 252,388 | 15.6 | 188,503 | 11.7 | +3.8 |
| FDP | 41,589 | 2.6 | 157,530 | 9.8 | -7.2 |
| GRÜNE | 97,256 | 6.0 | 107,621 | 6.7 | -0.7 |
| REP | 6,399 | 0.4 | 41,389 | 2.6 | -2.2 |
| FAMILIE | 22,979 | 1.4 | 30,084 | 1.9 | -0.5 |
| Tierschutzpartei | 23,673 | 1.5 | 25,003 | 1.6 | -0.1 |
| FREIE WÄHLER | 26,602 | 1.6 | 23,555 | 1.5 | +0.2 |
| PIRATEN | 25,305 | 1.6 | 17,905 | 1.1 | +0.4 |
| PBC | 5,948 | 0.4 | 8,928 | 0.6 | -0.2 |
| Volksabstimmung | 7,997 | 0.5 | 6,871 | 0.4 | +0.1 |
| AUF | 3,913 | 0.2 | 4,706 | 0.3 | -0.1 |
| CM | 2,425 | 0.1 | 3,531 | 0.2 | -0.1 |
| DKP | 2,302 | 0.1 | 2,555 | 0.2 | ±0.0 |
| ÖDP | 3,391 | 0.2 | 2,270 | 0.1 | +0.1 |
| BüSo | 1,261 | 0.1 | 1,858 | 0.1 | ±0.0 |
| PSG | 722 | 0.0 | 1,165 | 0.1 | ±0.0 |
| BP | 1,088 | 0.1 | 1,155 | 0.1 | ±0.0 |
| AfD | 164,263 | 10.1 | – | – | – |
| PRO NRW | 934 | 0.1 | – | – | – |
| MLPD | 1,855 | 0.1 | – | – | – |
| NPD | 57,651 | 3.6 | – | – | – |
| Die PARTEI | 15,064 | 0.9 | – | – | – |
| Political groups/individual candidates | – | – | 91,708 | 5.7 | – |