| Regione | Irpef a debito | Irpef a credito | Volume d'affari | |||
|---|---|---|---|---|---|---|
| Frequenza | Ammontare | Frequenza | Ammontare | Frequenza | Ammontare | |
| Piemonte | 16.925 | 64.981 | 43.011 | 168.331 | 51.322 | 3.050.963 |
| Valle d'Aosta | 699 | 2.628 | 1.848 | 7.342 | 2.183 | 113.820 |
| Lombardia | 47.479 | 224.743 | 123.810 | 554.750 | 149.027 | 10.245.783 |
| Liguria | 8.163 | 31.932 | 18.811 | 65.607 | 23.069 | 1.295.640 |
| Trentino Alto Adige (Prov. Aut. Trento) | 2.017 | 7.417 | 5.551 | 23.166 | 6.648 | 433.864 |
| Trentino Alto Adige (Prov. Aut. Bolzano) | 1.930 | 10.424 | 4.780 | 29.493 | 5.816 | 529.854 |
| Veneto | 18.425 | 70.655 | 50.666 | 210.802 | 59.524 | 3.794.226 |
| Friuli Venezia Giulia | 5.001 | 19.513 | 12.063 | 43.970 | 14.735 | 884.596 |
| Emilia Romagna | 19.721 | 80.664 | 50.747 | 197.237 | 60.725 | 3.865.362 |
| Toscana | 18.297 | 73.059 | 45.362 | 155.966 | 55.910 | 2.983.055 |
| Umbria | 3.624 | 12.022 | 10.701 | 35.031 | 12.721 | 594.396 |
| Marche | 5.874 | 19.883 | 16.859 | 58.170 | 20.454 | 1.069.760 |
| Lazio | 31.705 | 148.560 | 82.016 | 311.563 | 91.300 | 5.095.288 |
| Abruzzo | 5.786 | 19.612 | 15.923 | 47.540 | 18.566 | 798.694 |
| Molise | 1.170 | 3.482 | 3.724 | 9.939 | 4.229 | 145.371 |
| Campania | 18.145 | 61.833 | 59.564 | 187.797 | 64.857 | 2.524.590 |
| Puglia | 13.246 | 42.990 | 39.479 | 118.173 | 46.444 | 1.899.514 |
| Basilicata | 1.880 | 6.318 | 6.373 | 17.833 | 7.276 | 259.695 |
| Calabria | 5.964 | 19.470 | 19.919 | 54.651 | 21.538 | 668.315 |
| Sicilia | 16.211 | 57.964 | 43.632 | 130.349 | 49.602 | 1.942.835 |
| Sardegna | 6.185 | 21.599 | 17.021 | 53.298 | 18.953 | 785.218 |
| TOTALE | 248.447 | 999.749 | 671.860 | 2.481.007 | 784.899 | 42.980.839 |
