Organized religion 'will be driven toward extinction' in 9 countries, experts predict

I thought they were saying the same thing about religion 100 years ago. No mention of South Korea which I thought bucks this trend: Organized religion 'will be driven toward extinction' in 9 countries, experts predict – CNN Belief Blog - CNN.com Blogs:

Organized religion will all but vanish eventually from nine Western-style democracies, a team of mathematicians predict in a new paper based on census data stretching back 100 years.