ISBNs assigned to self-published titles in the U.S. 2010-2018
The statistic provides information on the number of ISBNs (International Standard Book Numbers) assigned to self-published books in the United States from 2010 to 2018. In 2018, there were over 1.67 million ISBNs assigned to self-published titles in the country, up from just over 1.2 million in 2017.