| Regione | Numero contribuenti | Totale componenti positivi | Totale componenti negativi | ||
|---|---|---|---|---|---|
| Frequenza | Ammontare | Frequenza | Ammontare | ||
| Piemonte | 141.956 | 132.539 | 11.584.851 | 131.497 | 8.926.192 |
| Valle d'Aosta | 4.263 | 3.946 | 403.923 | 3.928 | 313.752 |
| Lombardia | 272.292 | 247.279 | 21.346.016 | 245.128 | 15.894.215 |
| Liguria | 51.557 | 48.217 | 4.009.735 | 47.537 | 3.043.510 |
| Trentino Alto Adige (P.A. Trento) | 13.349 | 11.121 | 1.029.127 | 11.077 | 768.350 |
| Trentino Alto Adige (P.A. Bolzano) | 14.524 | 11.455 | 1.148.203 | 11.406 | 852.821 |
| Veneto | 149.285 | 131.184 | 11.116.080 | 129.964 | 8.382.343 |
| Friuli Venezia Giulia | 32.079 | 27.847 | 2.366.355 | 27.705 | 1.783.023 |
| Emilia Romagna | 134.504 | 120.717 | 10.305.103 | 119.784 | 7.837.412 |
| Toscana | 124.902 | 112.888 | 9.170.569 | 111.479 | 7.080.262 |
| Umbria | 26.088 | 22.068 | 1.691.773 | 21.855 | 1.326.856 |
| Marche | 51.605 | 43.987 | 3.518.037 | 43.680 | 2.727.171 |
| Lazio | 144.299 | 130.051 | 10.435.716 | 127.875 | 8.442.777 |
| Abruzzo | 44.236 | 39.244 | 3.125.835 | 38.826 | 2.581.867 |
| Molise | 10.930 | 9.667 | 780.928 | 9.559 | 669.517 |
| Campania | 161.032 | 145.418 | 12.168.653 | 142.673 | 10.518.985 |
| Puglia | 132.539 | 117.124 | 10.408.690 | 116.385 | 8.981.406 |
| Basilicata | 17.925 | 15.805 | 1.408.751 | 15.644 | 1.209.259 |
| Calabria | 62.803 | 55.712 | 5.105.796 | 55.212 | 4.546.466 |
| Sicilia | 146.634 | 131.940 | 12.023.652 | 130.944 | 10.448.258 |
| Sardegna | 48.934 | 43.785 | 3.769.626 | 43.407 | 3.120.599 |
| TOTALE | 1.785.736 | 1.601.994 | 136.917.419 | 1.585.565 | 109.455.042 |
