The group "incites discrimination, hatred and violence", writes Interior Minister Gérald Darmanin on Twitter.
The basis for the decision is also that the group, due to its military organizational structure, can be compared to a "private militia", according to the government decree.
In August 2019, the group's leader and two other members were sentenced to six months in prison after an operation in the French Alps when, among other things, they rented two helicopters in search of migrants.
Génération identitaire is often described as a neo-fascist movement and has branches in other European countries. Germany classified the 2019 Identitäre Bewegung as a right-wing extremist group, which enables it to be monitored by the intelligence service.