The abortion rate in the formerly-Protestant countries is substantially higher than the abortion rate in the formerly-Catholic countries. In some cases, it is more than double. http://data.un.org/Data.aspx?d=GenderStat&f=inID%3A12
(I understand that the information here is up to ten years old in some cases but I couldn't find a site that was objective and which presented all of this information.)
I'm well aware as well, that in most, if not all, of the formerly Catholic countries, holy days of obligation are still public holidays. (Whether or not most people attend Mass on that day is a different story. As I have said, it may be a public holiday out of nothing more than tradition.)
Last May there were demonstrations in France over the issue of "gay marriage." What never got a mention in the MSM here in America were the numbers of French homosexuals who were marching with the conservative groups and protesting the whole idea.
In our lifetimes, I think it is going to become very difficult for Catholics to hold to their beliefs, but I think it is going to be particularly difficult for those of us who live in countries that were never Catholic.
Yes, Holy days are Bank Holidays but religious observance is poor.