knowledge

The Library of Congress holds over 173 million items and the Internet Archive stores more than 99 petabytes. Here's how the world's biggest libraries stack up.

AI is already co-authoring research papers and designing experiments. What happens when it no longer needs the humans?

Russia has more libraries than any country — 130,000+ public, school, and special libraries. The United States has the world's largest library (the Library of Congress, with 173 million items). Finland has the highest library visit rate per capita of any country.