| Regione | Irpef a debito | Irpef a credito | Reddito imponibile addizionale | |||
|---|---|---|---|---|---|---|
| Frequenza | Ammontare | Frequenza | Ammontare | Frequenza | Ammontare | |
| Piemonte | 85.976 | 257.872 | 136.027 | 302.674 | 185.582 | 6.073.986 |
| Valle d'Aosta | 3.047 | 8.667 | 4.936 | 12.326 | 6.703 | 218.492 |
| Lombardia | 184.046 | 677.622 | 289.855 | 817.372 | 405.477 | 16.260.657 |
| Liguria | 32.965 | 100.779 | 47.801 | 108.413 | 68.051 | 2.337.903 |
| Trentino Alto Adige (Prov. Aut. Trento) | 9.540 | 25.871 | 19.867 | 48.174 | 24.492 | 825.369 |
| Trentino Alto Adige (Prov. Aut. Bolzano) | 12.934 | 42.437 | 23.421 | 66.951 | 30.805 | 1.194.269 |
| Veneto | 94.889 | 284.732 | 158.842 | 376.130 | 215.584 | 7.276.920 |
| Friuli Venezia Giulia | 21.897 | 64.224 | 35.423 | 76.381 | 49.003 | 1.638.683 |
| Emilia Romagna | 90.761 | 275.028 | 145.015 | 336.150 | 200.807 | 6.955.528 |
| Toscana | 80.696 | 277.076 | 119.415 | 264.714 | 167.725 | 5.497.564 |
| Umbria | 16.474 | 42.573 | 28.644 | 58.507 | 36.840 | 1.100.596 |
| Marche | 31.010 | 86.614 | 53.637 | 108.750 | 69.932 | 2.099.472 |
| Lazio | 94.575 | 306.010 | 170.403 | 432.558 | 214.212 | 7.992.413 |
| Abruzzo | 24.703 | 60.561 | 43.219 | 82.637 | 53.834 | 1.500.312 |
| Molise | 5.879 | 12.097 | 10.336 | 16.911 | 12.398 | 317.212 |
| Campania | 74.905 | 187.186 | 132.416 | 285.314 | 157.260 | 4.657.592 |
| Puglia | 67.388 | 153.015 | 124.595 | 219.579 | 145.835 | 3.976.119 |
| Basilicata | 10.627 | 25.556 | 17.708 | 30.468 | 21.884 | 570.126 |
| Calabria | 29.195 | 68.655 | 49.132 | 90.982 | 58.132 | 1.517.773 |
| Sicilia | 74.543 | 210.626 | 117.300 | 224.936 | 147.479 | 4.214.698 |
| Sardegna | 28.449 | 76.239 | 43.265 | 84.826 | 57.458 | 1.633.341 |
| TOTALE | 1.074.499 | 3.243.441 | 1.771.257 | 4.044.752 | 2.329.493 | 77.859.027 |
