The leading library among the largest libraries in the world is the “Library of Congress.” It was founded in 1800; and located in Washington D.C, United States.

Among the millions of libraries worldwide, the title of the "world's largest library" is generally bestowed upon the Library of Congress, which is situated in Washington, D.C., United States.

The Beijing Library, co-designed by Norwegian architects Snøhetta and China’s ECADI, has the world’s largest library reading space, housing more than 8 million books and costing upward of 1. ...