| # | Years | Size | Links | |
|---|---|---|---|---|
| RointhFi | 2006–2006 | 3.3% | ||
| AN | 2006–2006 | 14.9% | ||
| DL | 2006–2006 | |||
| DS | 2006–2006 | |||
| FdV | 2006–2006 | 2.8% | ||
| Forza ItaliaFI | 2006–2006 | 20.8% | ||
| IdV | 2006–2006 | 2.0% | ||
| LN | 2006–2006 | 3.1% | ||
| NPSI | 2006–2006 | 1.1% | ||
| PdCI | 2006–2006 | 2.5% | ||
| PP | 2006–2006 | 1.4% | ||
| PRC | 2006–2006 | 8.3% | ||
| UDC | 2006–2006 | 6.3% | ||
| Ulivo | 2006–2006 | 31.8% |