Percentage of votes
| Specification | Votes 2014 | Votes 2009 | Diff. on 2009 in p.p. | ||
|---|---|---|---|---|---|
| Number | % | Number | % | ||
| Persons entitled to vote | 2,060,156 | – | 2,127,871 | – | – |
| Voters | 961,109 | 46.7 | 635,720 | 29.9 | +16.8 |
| Invalid | 26,563 | 2.8 | 9,404 | 1.5 | +1.3 |
| Valid | 934,546 | 97.2 | 626,316 | 98.5 | -1.3 |
| DIE LINKE | 183,727 | 19.7 | 162,687 | 26.0 | -6.3 |
| SPD | 251,482 | 26.9 | 142,615 | 22.8 | +4.1 |
| CDU | 233,468 | 25.0 | 140,616 | 22.5 | +2.5 |
| GRÜNE | 57,057 | 6.1 | 52,889 | 8.4 | -2.3 |
| FDP | 20,051 | 2.1 | 46,367 | 7.4 | -5.3 |
| FAMILIE | 19,373 | 2.1 | 13,722 | 2.2 | -0.1 |
| Tierschutzpartei | 16,407 | 1.8 | 9,206 | 1.5 | +0.3 |
| PIRATEN | 15,758 | 1.7 | 5,637 | 0.9 | +0.8 |
| REP | 4,125 | 0.4 | 4,626 | 0.7 | -0.3 |
| FREIE WÄHLER | 7,912 | 0.8 | 2,926 | 0.5 | +0.4 |
| Volksabstimmung | 4,259 | 0.5 | 1,977 | 0.3 | +0.1 |
| DKP | 2,435 | 0.3 | 1,565 | 0.2 | ±0.0 |
| ÖDP | 1,832 | 0.2 | 1,209 | 0.2 | ±0.0 |
| PBC | 936 | 0.1 | 1,160 | 0.2 | -0.1 |
| AUF | 1,276 | 0.1 | 1,094 | 0.2 | ±0.0 |
| CM | 702 | 0.1 | 711 | 0.1 | ±0.0 |
| PSG | 580 | 0.1 | 478 | 0.1 | ±0.0 |
| BP | 532 | 0.1 | 461 | 0.1 | ±0.0 |
| BüSo | 634 | 0.1 | 419 | 0.1 | ±0.0 |
| AfD | 79,371 | 8.5 | – | – | – |
| PRO NRW | 553 | 0.1 | – | – | – |
| MLPD | 1,087 | 0.1 | – | – | – |
| NPD | 24,075 | 2.6 | – | – | – |
| Die PARTEI | 6,914 | 0.7 | – | – | – |
| Political groups/individual candidates | – | – | 35,951 | 5.7 | – |