5 billion single use carry out plastic bags are still used every year in France. During my trip in 2015, I got the chance to photograph them with my I phone littering the cities' streets and the Eiffel Tower surroundings, Le Champ de Mars.
But as of July 2016 bags thinner than 50 microns are banned -charged before- and in 6 months it will be the same for the "fruits & vegetables " ones.
The risk is to get consumers switching to thicker bags, called "reusable " as it did in many US cities like Chicago. But it seems that people in France are already accustomed to bringing their own bag when shopping and the new law should be well received.