"Although just 1.1% of the world's adults live in France, in terms of aggregate household wealth in current USD, it ranks fourth among nations --behind China and just ahead of the U.K. [...] This reflects the high average net worth of French households, rather than unusually high wealth inequality."Here's a count of the world's millionaires, by country. France ranks second.
Moreover, among the G7, only the U.K. recorded rising inequality.
That's from Credit Suisse's Global Wealth Report 2014.