| Católica practicante | ||
| 0 | Total | 2.06 |
| 1 | Andalucía | 2.23 |
| 2 | Aragón | 1.76 |
| 3 | Asturias (Principado de) | 1.68 |
| 4 | Balears (Illes) | 2.06 |
| 5 | Canarias | 2.12 |
| 6 | Cantabria | 1.63 |
| 7 | Castilla y León | 1.96 |
| 8 | Castilla-La Mancha | 2.15 |
| 9 | Cataluña | 1.97 |
| 10 | Comunidad Valenciana | 2.26 |
| 11 | Extremadura | 1.99 |
| 12 | Galicia | 2.01 |
| 13 | Madrid (Comunidad de) | 2.05 |
| 14 | Murcia (Región de) | 2.11 |
| 15 | Navarra (Comunidad Foral de) | 2.14 |
| 16 | País Vasco | 1.87 |
| 17 | Rioja (La) | 2.09 |
| 18 | Ceuta | 2.37 |
| 19 | Melilla | 1.99 |