Religions
Declared religious affiliation
According to the Trajectories and Origins survey (Insee/Ined, 2019–2020), 51% of people aged 18 to 59 living in metropolitan France say they have no religion, 29% identify as Catholic and 10% as Muslim.
Trajectories and Origins 2 (TeO2) survey · aged 18–59, metropolitan France
Source: INSEE / INED · 2020No religion51%
Catholicism29%
Islam10%
Other religions and beliefs10%
These figures are based on self-declared affiliation and do not measure religious practice, which is considerably lower across all faiths. They reflect what people declare, not a characterisation of the population as a whole.