Wikipedia at 25: What the data tells us
As of December 2025, there are over 66 million articles across all languages on Wikipedia. Around 7 million articles are in English.
Only a few decades ago, a Christian identity was so common among Americans that it could almost be taken for granted. As recently as the early 1990s, about 90% of U.S. adults identified as Christians. But today, about two-thirds of adults are Christians.[6. numoffset=”6″ This chapter focuses on results of public opinion surveys of U.S. […]