Demographics of France
The demography of France is monitored by the Institut national d'études démographiques (INED) and the Institut national de la statistique et des études économiques (INSEE). As of 1 January 2018, 67.19 million people lived in France (67,186,638), including all the five overseas departments (2,141,000), but excluding the overseas collectivities and territories (604,000). 65,017,000 of these lived in Metropolitan France, which is mainland France located in Europe.
Religion in France
According to a survey held by Institut français d'opinion publique (Ifop) for the Institut Montaigne think-tank, 51.1% of the total population of France was Christian in 2016. The following year, a survey by Ipsos focused on Protestants and based on 31,155 interviews found that 57.5% of the total population of France declared to be Catholic and 3.1% declared to be Protestant.