A survey was conducted by the French Ministry of National Education in 2006 among pupils registered in CM2 (equivalent to fifth grade in the US and Year 6 in England and Wales). Questions were asked regarding the languages spoken by the pupils as well as the languages spoken by their parents. According to the survey, the ranking of mother tongues was the following (ranked by number of first language speakers in the total population; note that percentages add up to more than 100% because some people are natively bilingual):