translate English to French: At the same time, the proportion of immigrants indicating that they knew both official languages drops from 50% among those who came to Canada between 1951 and 1960 to 36% among recent immigrants, who have not had as much time to learn both official languages.
La proportion des locuteurs du français parmi la population immigrée allophone était presque aussi élevée chez les immigrants récents (64 p. cent) qu’elle ne l’était chez ceux arrivés au pays entre 1951 et 1960 (67 p. cent).