Banned & Challenged Books
Censorship data paints a vivid picture of attempts to ban or restrict library books and resources across the U.S.
Learn about the Top 10 Most Challenged Books for each year from 2001–2025.
Search OIF's database for titles and authors to learn if there have been efforts to censor them in libraries.
Real-time updates on the latest book censorship cases, curated by OIF and hosted by the Free Law Project.
Share censorship data, the Top 10 Most Challenged books, and more!
Make a gift to support OIF's work defending intellectual freedom.
Reporting challenges to materials and services is vital to developing the best resources to defend libraries. Even if support is not needed, please report--your information is completely confidential.
Book Résumés help teachers, librarians, parents, and community members defend books from censorship.
Unite Against Book Bans is a national initiative to empower readers everywhere to stand together in the fight against censorship. Share resources from the UABB Action Toolkit with your community and help defend the right to read.
Contact
Media inquiries: cmomedia@ala.org
Report censorship: oif@ala.org
Research questions about specific banned books: oif@ala.org
Banned Books Week support: bbw@ala.org
