Looks to me like the Catholic population is growing.
Catholic population (The Official Catholic Directory)
1965 - 45.6m
1975 - 48.7m
1985 - 52.3m
1995 - 57.4m
2000 - 59.9m
2005 - 64.8m
2013 - 66.8m
These figures for the United States. The Catholic Church continues to grow despise what is reported by the media. So for every person that lives the faith two come in.
Looks to me like the Catholic population is growing.
Catholic population (The Official Catholic Directory)
1965 - 45.6m
1975 - 48.7m
1985 - 52.3m
1995 - 57.4m
2000 - 59.9m
2005 - 64.8m
2013 - 66.8m