| Regione | Numero contribuenti | Totale componenti positivi | Totale componenti negativi | ||||
|---|---|---|---|---|---|---|---|
| Frequenza | Ammontare | Mediana | Frequenza | Ammontare | Mediana | ||
| Piemonte | 141.956 | 132.539 | 11.584.851 | 47,25 | 131.497 | 8.926.192 | 27,15 |
| Valle d'Aosta | 4.263 | 3.946 | 403.923 | 53,78 | 3.928 | 313.752 | 32,08 |
| Lombardia | 272.292 | 247.279 | 21.346.016 | 48,69 | 245.128 | 15.894.215 | 26,49 |
| Liguria | 51.557 | 48.217 | 4.009.735 | 45,52 | 47.537 | 3.043.510 | 25,78 |
| Trentino Alto Adige (P.A. Trento) | 13.349 | 11.121 | 1.029.127 | 54,71 | 11.077 | 768.350 | 29,48 |
| Trentino Alto Adige (P.A. Bolzano) | 14.524 | 11.455 | 1.148.203 | 60,55 | 11.406 | 852.821 | 33,62 |
| Veneto | 149.285 | 131.184 | 11.116.080 | 49,69 | 129.964 | 8.382.343 | 27,98 |
| Friuli Venezia Giulia | 32.079 | 27.847 | 2.366.355 | 48,79 | 27.705 | 1.783.023 | 27,19 |
| Emilia Romagna | 134.504 | 120.717 | 10.305.103 | 48,72 | 119.784 | 7.837.412 | 27,78 |
| Toscana | 124.902 | 112.888 | 9.170.569 | 44,71 | 111.479 | 7.080.262 | 25,83 |
| Umbria | 26.088 | 22.068 | 1.691.773 | 41,36 | 21.855 | 1.326.856 | 24,10 |
| Marche | 51.605 | 43.987 | 3.518.037 | 44,73 | 43.680 | 2.727.171 | 26,21 |
| Lazio | 144.299 | 130.051 | 10.435.716 | 41,12 | 127.875 | 8.442.777 | 25,81 |
| Abruzzo | 44.236 | 39.244 | 3.125.835 | 41,71 | 38.826 | 2.581.867 | 27,10 |
| Molise | 10.930 | 9.667 | 780.928 | 42,06 | 9.559 | 669.517 | 30,75 |
| Campania | 161.032 | 145.418 | 12.168.653 | 40,69 | 142.673 | 10.518.985 | 29,81 |
| Puglia | 132.539 | 117.124 | 10.408.690 | 45,01 | 116.385 | 8.981.406 | 32,38 |
| Basilicata | 17.925 | 15.805 | 1.408.751 | 47,86 | 15.644 | 1.209.259 | 35,14 |
| Calabria | 62.803 | 55.712 | 5.105.796 | 43,21 | 55.212 | 4.546.466 | 32,93 |
| Sicilia | 146.634 | 131.940 | 12.023.652 | 43,86 | 130.944 | 10.448.258 | 31,71 |
| Sardegna | 48.934 | 43.785 | 3.769.626 | 46,80 | 43.407 | 3.120.599 | 31,73 |
| TOTALE | 1.785.736 | 1.601.994 | 136.917.419 | 45,89 | 1.585.565 | 109.455.042 | 28,24 |
