Adherence to the French Catholic church is dropping, and while it's impossible to know how many people officially renounce their faith, even the French bishops conference says de-baptism requests are going up, especially in the face of paedophilia and sex abuse scandals.
Anne-Charlotte had been thinking about apostasy, official renouncing her Catholic faith, for years before she finally wrote a letter to the parish where she was baptised in 1985.
https://www.modernghana.com/news/948422/french-catholics-increasingly-asking-to-be-de-baptised.html
https://www.modernghana.com/news/948422/french-catholics-increasingly-asking-to-be-de-baptised.html