Roughly a quarter of a century after the fall of the Iron Curtain and subsequent collapse of the Soviet Union, a major new Pew Research Center survey finds that religion has reasserted itself as an important part of individual and national identity in many of the Central and Eastern European countries where communist regimes once repressed religious worship and promoted atheism.

Today, solid majorities of adults across much of the region say they believe in God, and most identify with a religion. Orthodox Christianity and Roman Catholicism are the most prevalent religious affiliations, much as they were more than 100 years ago in the twilight years of the Russian and Austro-Hungarian empires.