At the other end of the ranking, French Guiana is the least densely populated region, with 4 inhabitants per km².
The ranking of regions: density
| Rank | Region | Density (per km²) | Proportional bar | Population |
|---|---|---|---|---|
| 1 | Île-de-France | 1,047 | 12,571,781 | |
| 2 | Réunion | 359 | 899,660 | |
| 3 | Martinique | 323 | 364,348 | |
| 4 | Guadeloupe | 239 | 388,493 | |
| 5 | Hauts-de-France | 191 | 6,081,819 | |
| 6 | Provence-Alpes-Côte d'Azur | 169 | 5,293,055 | |
| 7 | Brittany | 130 | 3,537,071 | |
| 8 | Pays de la Loire | 125 | 3,997,387 | |
| 9 | Auvergne-Rhône-Alpes | 120 | 8,373,427 | |
| 10 | Normandy | 114 | 3,415,447 | |
| 11 | Grand Est | 99 | 5,664,044 | |
| 12 | Occitanie | 86 | 6,246,196 | |
| 13 | Nouvelle-Aquitaine | 75 | 6,288,233 | |
| 14 | Centre-Val de Loire | 68 | 2,644,169 | |
| 15 | Bourgogne-Franche-Comté | 60 | 2,872,652 | |
| 16 | Corsica | 42 | 360,270 | |
| 17 | French Guiana | 4 | 296,053 |
Source: INSEE, official population figures; IGN / Observatoire des territoires. Official total population (INSEE) divided by area, in inhabitants per km². Data sources.