| Regione | Irpef a debito | Irpef a credito | Volume d'affari | |||
|---|---|---|---|---|---|---|
| Frequenza | Ammontare | Frequenza | Ammontare | Frequenza | Ammontare | |
| Piemonte | 58.976 | 181.502 | 60.673 | 115.145 | 130.813 | 13.415.723 |
| Valle d'Aosta | 2.099 | 5.745 | 2.086 | 4.458 | 4.463 | 491.165 |
| Lombardia | 122.335 | 402.291 | 119.974 | 248.598 | 259.578 | 28.033.305 |
| Liguria | 22.399 | 66.595 | 21.208 | 38.946 | 48.048 | 4.519.482 |
| Trentino Alto Adige (Prov. Aut. Trento) | 5.949 | 16.883 | 7.356 | 16.599 | 14.120 | 1.698.057 |
| Trentino Alto Adige (Prov. Aut. Bolzano) | 7.560 | 28.374 | 8.860 | 26.111 | 17.054 | 2.823.336 |
| Veneto | 64.201 | 199.416 | 70.850 | 138.091 | 148.591 | 16.844.403 |
| Friuli Venezia Giulia | 14.170 | 43.955 | 15.032 | 27.957 | 31.879 | 3.420.675 |
| Emilia Romagna | 59.734 | 182.610 | 60.453 | 115.505 | 132.534 | 13.661.380 |
| Toscana | 54.549 | 196.322 | 51.705 | 92.724 | 120.212 | 11.942.163 |
| Umbria | 10.220 | 26.446 | 11.944 | 20.266 | 25.252 | 2.431.809 |
| Marche | 20.674 | 62.033 | 23.685 | 41.921 | 50.682 | 5.256.147 |
| Lazio | 53.856 | 143.999 | 56.693 | 99.905 | 124.454 | 11.147.194 |
| Abruzzo | 15.416 | 38.832 | 17.769 | 28.670 | 39.954 | 3.597.599 |
| Molise | 3.564 | 7.954 | 3.953 | 5.623 | 9.891 | 876.251 |
| Campania | 48.451 | 116.525 | 51.880 | 85.173 | 132.812 | 12.077.582 |
| Puglia | 40.187 | 99.913 | 50.170 | 79.449 | 117.150 | 12.385.249 |
| Basilicata | 6.296 | 17.246 | 6.750 | 10.134 | 16.410 | 1.764.526 |
| Calabria | 18.866 | 46.732 | 20.137 | 30.988 | 52.560 | 4.984.244 |
| Sicilia | 48.056 | 144.906 | 47.502 | 78.566 | 123.148 | 12.264.891 |
| Sardegna | 18.888 | 51.883 | 18.349 | 29.966 | 44.073 | 4.278.051 |
| TOTALE | 696.446 | 2.080.160 | 727.029 | 1.334.794 | 1.643.678 | 167.913.232 |
