information:highlighting, structural:summarization, stylistic:style_transfer
Demographics

On 1 January 2024, a record 320,901 people were living in Mayotte (official INSEE estimate). According to the 2017 census, 58.5% of the people living in Mayotte were born in Mayotte (down from 63.5% at the 2007 census), 5.6% were born in the rest of the French Republic (either metropolitan France or overseas France except Mayotte) (up from 4.8% in 2007), and 35.8% were immigrants born in foreign countries (up from 31.7% at the 2007 census, with the following countries of birth in 2007: 28.3% born in the Union of the Comoros, 2.6% in Madagascar, and the remaining 0.8% in other countries).

According to a field study conducted by INSEE in 2015–2016, only 35.6% of the adults (18 y/o and older) living in Mayotte were born in Mayotte of mothers themselves born in Mayotte, whereas 37.4% of the adults were either born in Anjouan (in the Union of the Comoros) or born in Mayotte of mothers born in Anjouan, 13.5% were either born in Grande Comore or Mohéli (in the Union of the Comoros) or born in Mayotte of mothers born in Grande Comore or Mohéli, 7.9% were either born in France (outside of Mayotte) or in Mayotte of mothers born in France (outside of Mayotte), and 5.7% were either born in foreign countries (other than the Comoros) or in Mayotte of mothers born in foreign countries (other than the Comoros).

Most of the inhabitants of the island are culturally Comorians. The Comorians are a blend of settlers from many areas: Arabs, mainland Africans and Malagasy. Comorian communities can also be found in other parts of the Comoros chain as well as in Madagascar.

In 2017, mothers born in foreign countries (predominantly the Union of the Comoros) were responsible for 75.7% of the births that took place in Mayotte although many of these births were to French fathers: 58% of children born in Mayotte in 2017 had at least one French parent.