28
To consume, you still need to have money. It is in particular because the average net hourly wage of its inhabitants is well below the Ile-de-France average (11.78 euros according to INSEE, against 20.90 euros) that Bobigny (Seine-Saint-Denis) arrives in last position in our ranking of city-prefectures where the purchasing power of the inhabitants is the lowest in Île-de-France and Oise.