Recent census data show that goal has not been reached as successfully as hoped. After almost 30 years of enforcement of the Charter of the French Language, approximately 49% of allophone immigrants – including those who arrived before the Charter's adoption in 1977 – had assimilated to English, down from 71% in 1971, but still considerably more than anglophones' overall share of the province's population. This leads some Quebecers, particularly those who support the continued role of French as the province's common public language, to question whether the policy is being implemented successfully. The phenomenon is linked to the linguistic environments which cohabit Montreal – Quebec's largest city, Canada's second-largest metropolitan area, and home to a number of communities, neighbourhoods, and even municipalities in which English is the de facto common language. The anglophone minority's capacity to assimilate allophones and even francophones has therefore compensated to a large extent for the outmigration of anglophones to other provinces and even to the United States.