| Regione | Irpef a debito | Irpef a credito | Volume d'affari | |||
|---|---|---|---|---|---|---|
| Frequenza | Ammontare | Frequenza | Ammontare | Frequenza | Ammontare | |
| Piemonte | 14.246 | 69.951 | 34.106 | 154.171 | 40.790 | 3.099.031 |
| Valle d'Aosta | 583 | 2.556 | 1.380 | 6.658 | 1.703 | 104.788 |
| Lombardia | 44.419 | 247.521 | 104.300 | 521.067 | 128.195 | 10.576.160 |
| Liguria | 6.698 | 35.171 | 13.674 | 58.132 | 17.180 | 1.259.053 |
| Trentino Alto Adige (P.A. Trento) | 1.846 | 8.286 | 4.632 | 22.767 | 5.669 | 436.077 |
| Trentino Alto Adige (P.A. Bolzano) | 1.887 | 12.309 | 3.996 | 26.635 | 5.191 | 567.401 |
| Veneto | 16.709 | 78.520 | 41.816 | 198.875 | 50.573 | 4.022.910 |
| Friuli Venezia Giulia | 4.487 | 19.081 | 9.211 | 37.691 | 11.774 | 924.004 |
| Emilia Romagna | 17.825 | 85.987 | 41.377 | 183.999 | 51.006 | 3.967.248 |
| Toscana | 15.494 | 70.266 | 34.948 | 146.028 | 43.459 | 2.997.016 |
| Umbria | 3.210 | 12.335 | 8.294 | 31.337 | 10.005 | 580.661 |
| Marche | 5.047 | 21.888 | 13.307 | 53.764 | 16.301 | 1.055.906 |
| Lazio | 27.420 | 153.389 | 65.193 | 285.032 | 70.700 | 4.890.537 |
| Abruzzo | 4.677 | 17.028 | 12.481 | 44.759 | 14.378 | 743.216 |
| Molise | 1.024 | 3.736 | 2.660 | 8.606 | 3.050 | 138.720 |
| Campania | 15.604 | 60.675 | 44.624 | 168.028 | 47.197 | 2.320.772 |
| Puglia | 10.733 | 42.626 | 29.730 | 107.790 | 33.816 | 1.810.539 |
| Basilicata | 1.574 | 5.609 | 4.603 | 15.033 | 5.219 | 244.789 |
| Calabria | 5.053 | 18.774 | 14.586 | 46.415 | 15.242 | 600.536 |
| Sicilia | 13.157 | 57.037 | 31.271 | 113.381 | 34.473 | 1.777.936 |
| Sardegna | 5.274 | 21.770 | 12.630 | 45.061 | 13.945 | 754.310 |
| Non indicata | ||||||
| TOTALE | 216.967 | 1.044.514 | 528.819 | 2.275.228 | 619.866 | 42.871.610 |
