On 1 January 2015, the population of France was 66.3 million (of which 64.2 million in metropolitan France), an increase of 0.45% with respect to the previous year. Fertility increased slightly, to 2.0 children per woman. Women had children at a mean age of 30.2 years, and men at 33.1 years. Nearly six in ten children were born outside marriage. Net migration remained quite stable. Among residence permits issued to migrants in 2013, half were granted for family reasons, slightly less than a quarter for educational purposes, 10% for humanitarian reasons, and 7% for work-related reasons. The number of marriages (among opposite-sex couples) continued to decrease slightly. Marriage was opened to same-sex couples on 17 May 2013. Between that date and the end of 2014, 17,000 same-sex marriages were registered. The seasonality of marriages remained fairly stable, while the annual peak in civil partnerships (PACS) previously observed in the second quarter shifted to the end of the year. Mean age at marriage continued to increase, reaching 34.6 years for women and 37.2 years for men in 2013. According to provisional estimates, the number of deaths in 2014 totalled 559,300. Women’s life expectancy was 84.7 years and that of men was 79.2 years, a gap of 5.5 years that has been narrowing over time.