Metropolitan France
According to INSEE, 65,018,000 people lived in metropolitan France as of January 2018, while 2,790,000 lived in overseas France, for a total of 67,808,000 inhabitants in the French Republic. Thus, metropolitan France accounts for 95.9% of the French Republic's population.
France
According to the 2007 Adult Education survey, part of a project by the European Union and carried in France by the Insee and based on a sample of 15,350 persons, French was the first mother tongue of 87.2% of the total population, or roughly 55.81 million people, followed by Arabic (3.6%, 2.30 million), Portuguese (1.5%, 0.96 million), Spanish (1.2%, 0.77 million) and Italian (1.0%, 0.64 million). People who had other languages as their mother tongue made up the 5.2% of the population.