There is a tendency among norteamericanos to stereotype Latin Americans as religious or even as Roman Catholic. The latter hasn't been true for some years, and even the rapid growth of evangelical Protestantism is yesterday's news.
RealClearWorld reports the rise of atheism and agnosticism in the region. The article alleges that free thinking is the most rapidly growing belief category in the region, particularly in liberal Uruguay. Chile and the Dominican Republic also have many nonbelievers. The struggle to get governments to separate church and state, to protect the rights of those with atypical beliefs, continues.
Of course, church non-affiliation is very old news in Europe. Its beautiful churches and cathedrals are effectively museums of religion and medieval architecture today. Yes, services are held in many, but these tend to be sparsely attended by a few old women in black. In fact, modern Europe has been described as post-Christian.