Różnice w głosowaniu do Parlamentu Europejskiego w 2009 i 2014 w Siedlcach.
| Miejsce |
2014 |
2009 |
Różnica |
| PIS | 40.04% | 30.87% | +9.17% |
| PO | 24.65% | 40.01% | -15.36% |
| NP | 10.63% | 1.06% | +9.57% |
| PSL | 7.73% | 8.18% | -0.45% |
| SLD | 7.51% | 10.21% | -2.7% |
| EPTR | 3.22% | – | – |
| PR | 2.42% | – | – |
| SP | 2.40% | – | – |
| RN | 1.41% | – | – |