The Great Replacement (French: grand remplacement) is a nationalist, right-wing conspiracy theory which states that the white Catholic French population, as well as white Christian European population at large, is being progressively replaced with non-European people, specifically Arab, Berber Middle Eastern, North African and Sub-Saharan African populations, through mass migration and demographic growth. The theory was the basis of Renaud Camus's book The Great Replacement (French: Le Grand Rem Plus
