The data describes the number of registered Viber chat app users from June 2011 to June 2018. As of that month, the mobile messenger had over 1 billion registered users worldwide. The chat app had been acquired by Japanese e-commerce company Rakuten in February 2014 for 900 million USD, making it the second-most expensive acquisition of the e-commerce platform up to date.
As of February 2017, Viber users in the U.S. generated an average of 63 monthly usage sessions, ranking the messaging app behind LINE, Kik, Snapchat, and Facebook Messenger in terms of user engagement.
