República parlamentariaRepública semipresidencialistaPrincipado parlamentarioMonarquía parlamentariaMonarquía absoluta
| 0: Greece Ver detalle |
| 1: Greece Ver detalle |
| 2: Macedonia Ver detalle |
| 3: Latvia Ver detalle |
| 4: Albania Ver detalle |
| 5: Kosovo Ver detalle |
| 6: Italy Ver detalle |
| 7: Italy Ver detalle |
| 8: Italy Ver detalle |
| 9: Ireland Ver detalle |
| 10: Malta Ver detalle |
| 11: Malta Ver detalle |
| 12: Hungary Ver detalle |
| 13: Lithuania Ver detalle |
| 14: Germany Ver detalle |
| 15: Finland Ver detalle |
| 16: Estonia Ver detalle |
| 17: Czech Republic Ver detalle |
| 18: Croatia Ver detalle |
| 19: Bulgaria Ver detalle |
| 20: Austria Ver detalle |
| 21: Iceland Ver detalle |
| 22: Slovakia Ver detalle |
| 23: Switzerland Ver detalle |
| 24: Slovenia Ver detalle |
| 25: Serbia Ver detalle |
| 26: San Marino Ver detalle |
| 27: Portugal Ver detalle |
| 28: Poland Ver detalle |
| 29: Montenegro Ver detalle |
| 30: Romania Ver detalle |
| 31: Moldova Ver detalle |
| 32: Belarus Ver detalle |
| 33: Bosnia & Herzegovina Ver detalle |
| 34: France Ver detalle |
| 35: France Ver detalle |
| 36: Ukraine Ver detalle |
| 37: Andorra Ver detalle |
| 38: Liechtenstein Ver detalle |
| 39: Monaco Ver detalle |
| 40: Spain Ver detalle |
| 41: United Kingdom Ver detalle |
| 42: United Kingdom Ver detalle |
| 43: Belgium Ver detalle |
| 44: Denmark Ver detalle |
| 45: Denmark Ver detalle |
| 46: Norway Ver detalle |
| 47: Luxembourg Ver detalle |
| 48: Netherlands Ver detalle |
| 49: Sweden Ver detalle |
| 50: Vatican City Ver detalle |