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 native language of 87.2% of the total population, or roughly 55.81 million people, followed by Arabic (3.6%, 2.3 million), Portuguese (1.5%, 960,000), Spanish (1.2%, 770,000) and Italian (1.0%, 640,000). Native speakers of other languages made up the remaining 5.2% of the population.