New York Public Library (New York, USA)

The New York Public Library's flagship Beaux-Arts building holds 55 million items across 92 locations, offering free access to all. It is the great democratic equalizer, with 18 million annual visits—35% more than #3 British Library's in-person visits—and hosts 70,000 free programs each year. Its circulating collection is 50% broader than the average U.S. public library system, and digitization efforts have added 1.5 million items online. The NYPL's annual circulation of 20 million items surpasses the Bodleian's loan rate by 60%, breaking down knowledge barriers globally.