| Départements |
Situation avant la réforme | Situation après la réforme | ||
|
Nombre de cantons et de conseillers généraux |
Nombre de cantons |
Nombres de conseillers départementaux | ||
| 01 | Ain | 43 | 23 | 46 |
| 02 | Aisne | 42 | 21 | 42 |
| 03 | Allier | 35 | 19 | 38 |
| 04 | Alpes-de-Haute-Provence | 30 | 15 | 30 |
| 05 | Hautes-Alpes | 30 | 15 | 30 |
| 06 | Alpes-Maritimes | 52 | 27 | 54 |
| 07 | Ardèche | 33 | 17 | 34 |
| 08 | Ardennes | 37 | 19 | 38 |
| 09 | Ariège | 22 | 13 | 26 |
| 10 | Aube | 33 | 17 | 34 |
| 11 | Aude | 35 | 19 | 38 |
| 12 | Aveyron | 46 | 23 | 46 |
| 13 | Bouches-du-Rhône | 57 | 29 | 58 |
| 14 | Calvados | 49 | 25 | 50 |
| 15 | Cantal | 27 | 15 | 30 |
| 16 | Charente | 35 | 19 | 38 |
| 17 | Charente-Maritime | 51 | 27 | 54 |
| 18 | Cher | 35 | 19 | 38 |
| 19 | Corrèze | 37 | 19 | 38 |
| 2A | Corse-du-Sud | 22 | 11 | 22 |
| 2B | Haute-Corse | 30 | 15 | 30 |
| 21 | Côte-d'Or | 43 | 23 | 46 |
| 22 | Côtes-d'Armor | 52 | 27 | 54 |
| 23 | Creuse | 27 | 15 | 30 |
| 24 | Dordogne | 50 | 25 | 50 |
| 25 | Doubs | 35 | 19 | 38 |
| 26 | Drôme | 36 | 19 | 38 |
| 27 | Eure | 43 | 23 | 46 |
| 28 | Eure-et-Loir | 29 | 15 | 30 |
| 29 | Finistère | 54 | 27 | 54 |
| 30 | Gard | 46 | 23 | 46 |
| 31 | Haute-Garonne | 53 | 27 | 54 |
| 32 | Gers | 31 | 17 | 34 |
| 33 | Gironde | 63 | 33 | 66 |
| 34 | Hérault | 49 | 25 | 50 |
| 35 | Ille-et-Vilaine | 53 | 27 | 54 |
| 36 | Indre | 26 | 13 | 26 |
| 37 | Indre-et-Loire | 37 | 19 | 38 |
| 38 | Isère | 58 | 29 | 58 |
| 39 | Jura | 34 | 17 | 34 |
| 40 | Landes | 30 | 15 | 30 |
| 41 | Loir-et-Cher | 30 | 15 | 30 |
| 42 | Loire | 40 | 21 | 42 |
| 43 | Haute-Loire | 35 | 19 | 38 |
| 44 | Loire-Atlantique | 59 | 31 | 62 |
| 45 | Loiret | 41 | 21 | 42 |
| 46 | Lot | 31 | 17 | 34 |
| 47 | Lot-et-Garonne | 40 | 21 | 42 |
| 48 | Lozère | 25 | 13 | 26 |
| 49 | Maine-et-Loire | 41 | 21 | 42 |
| 50 | Manche | 52 | 27 | 54 |
| 51 | Marne | 44 | 23 | 46 |
| 52 | Haute-Marne | 32 | 17 | 34 |
| 53 | Mayenne | 32 | 17 | 34 |
| 54 | Meurthe-et-Moselle | 44 | 23 | 46 |
| 55 | Meuse | 31 | 17 | 34 |
| 56 | Morbihan | 42 | 21 | 42 |
| 57 | Moselle | 51 | 27 | 54 |
| 58 | Nièvre | 32 | 17 | 34 |
| 59 | Nord | 79 | 41 | 82 |
| 60 | Oise | 41 | 21 | 42 |
| 61 | Orne | 40 | 21 | 42 |
| 62 | Pas-de-Calais | 77 | 39 | 78 |
| 63 | Puy-de-Dôme | 61 | 31 | 62 |
| 64 | Pyrénées-Atlantiques | 52 | 27 | 54 |
| 65 | Hautes-Pyrénées | 34 | 17 | 34 |
| 66 | Pyrénées-Orientales | 31 | 17 | 34 |
| 67 | Bas-Rhin | 44 | 23 | 46 |
| 68 | Haut-Rhin | 31 | 17 | 34 |
| 69 | Rhône | 54 | 13 | 26 |
| 70 | Haute-Saône | 32 | 17 | 34 |
| 71 | Saône-et-Loire | 57 | 29 | 58 |
| 72 | Sarthe | 40 | 21 | 42 |
| 73 | Savoie | 37 | 19 | 38 |
| 74 | Haute-Savoie | 34 | 17 | 34 |
| 76 | Seine-Maritime | 69 | 35 | 70 |
| 77 | Seine-et-Marne | 43 | 23 | 46 |
| 78 | Yvelines | 39 | 21 | 42 |
| 79 | Deux-Sèvres | 33 | 17 | 34 |
| 80 | Somme | 46 | 23 | 46 |
| 81 | Tarn | 46 | 23 | 46 |
| 82 | Tarn-et-Garonne | 30 | 15 | 30 |
| 83 | Var | 43 | 23 | 46 |
| 84 | Vaucluse | 24 | 17 | 34 |
| 85 | Vendée | 31 | 17 | 34 |
| 86 | Vienne | 38 | 19 | 38 |
| 87 | Haute-Vienne | 42 | 21 | 42 |
| 88 | Vosges | 31 | 17 | 34 |
| 89 | Yonne | 42 | 21 | 42 |
| 90 | Territoire de Belfort | 15 | 9 | 18 |
| 91 | Essonne | 42 | 21 | 42 |
| 92 | Hauts-de-Seine | 45 | 23 | 46 |
| 93 | Seine-Saint-Denis | 40 | 21 | 42 |
| 94 | Val-de-Marne | 49 | 25 | 50 |
| 95 | Val-d'Oise | 39 | 21 | 42 |
| Guadeloupe | 40 | 21 | 42 | |
| Martinique | 45 | - | - | |
| Guyane | 19 | - | - | |
| La Réunion | 49 | 25 | 50 | |
| Mayotte | 19 | 13 | 26 | |
| Total | 4035 | 2054 | 4108 | |