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2,000,000,000
holdings and growing...


On May 4, the University of Alberta Libraries created the 2,000,000,000th holding record in WorldCat, marking a major milestone for this unique library resource.

For the past 40 years, libraries like yours have worked together to build, sustain and improve WorldCat. These cooperative efforts get information seekers to the answers they need, and help other libraries be more efficient.

Congratulations to you—the OCLC community—on making this great achievement possible.


2,000,000,000 is a really big number…Some fun ways to put it in perspective:

If you needed a catalog drawer to represent all those items, it would stretch over 1,100 miles.

Featured videos & news


Celebrating 10 Years Webjunction logo

WebJunction marks 10 years of serving libraries

The Bill & Melinda Gates Foundation and OCLC launched WebJunction in 2003 to amplify the value of libraries in the communities they serve.

OCLC Collective Insight series logo

Collective Insight: Driven by Shared Data

By applying some massively collaborative thinking to issues and opportunities that libraries face today, we can deepen our collective knowledge and broaden our expertise. Join us for this series of discussions.

More news, articles and blog posts »

Upcoming Events

31 May 2013

Collective Insight: Driven by Shared Data

Part of the Collective Insight event series, this will be an engaging symposium on the break-through opportunities and operational challenges of turning data into powerful analyses and purposeful action for academic libraries and the campuses they serve.

04 June 2013

OCLC Best Practices Webinar: Top 10 List of ILL Pet Peeves

Melissa Jackson, ILL Librarian at Armstrong Atlantic State University and Tony Melvyn, OCLC, will introduce a “Top 10” list of ILL pet peeves and moderate a discussion from the community about best practices for dealing with them.

05 June 2013

Collective Insight: Driven by Shared Data (MOBIUS Annual Conference)

In recent years organizations have begun using data in new and exciting ways. Phrases like “linked data,” “big data,” and “data visualization” have permeated these discussions, signaling a broader trend toward data-driven insight and integration of libraries into the wider Web.

More events »

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We are a worldwide library cooperative, owned, governed and sustained by members since 1967. Our public purpose is a statement of commitment to each other—that we will work together to improve access to the information held in libraries around the globe, and find ways to reduce costs for libraries through collaboration. Learn more »