At the other end of the ranking, Mayotte is the least wealthy region, with €18,647.
The ranking of regions: average taxable income
| Rank | Region | Average taxable income per household (€) | Proportional bar | Population |
|---|---|---|---|---|
| 1 | Île-de-France | 42,208 | 12,571,781 | |
| 2 | Auvergne-Rhône-Alpes | 34,598 | 8,373,427 | |
| 3 | Provence-Alpes-Côte d'Azur | 32,546 | 5,293,055 | |
| 4 | Pays de la Loire | 32,285 | 3,997,387 | |
| 5 | Grand Est | 32,273 | 5,664,044 | |
| 6 | Brittany | 32,193 | 3,537,071 | |
| 7 | Bourgogne-Franche-Comté | 30,987 | 2,872,652 | |
| 8 | Nouvelle-Aquitaine | 30,523 | 6,288,233 | |
| 9 | Centre-Val de Loire | 30,450 | 2,644,169 | |
| 10 | Normandy | 30,220 | 3,415,447 | |
| 11 | Corsica | 29,920 | 360,270 | |
| 12 | Occitanie | 29,144 | 6,246,196 | |
| 13 | Hauts-de-France | 28,953 | 6,081,819 | |
| 14 | Martinique | 23,356 | 364,348 | |
| 15 | Réunion | 22,172 | 899,660 | |
| 16 | Guadeloupe | 20,898 | 388,493 | |
| 17 | French Guiana | 20,725 | 296,053 | |
| 18 | Mayotte | 18,647 | 323,153 |
Source: DGFiP, income tax by local authority (IRCOM). Average reference taxable income per tax household: total income declared by the tax households of the communes in the territory, divided by their number (DGFiP, income tax by commune). The very few communes under tax confidentiality are not counted. Data sources.