45% of organizations in North America consider email encryption a “very important” or “critical” priority in 2015. That number jumped to 53% in the 2016 study. 62% of those surveyed say they use email encryption for external communications. 75% report having an encryption strategy, which is up from 51% the year before. The study was based on 165 surveys completed with the Osterman/Echoworx research panel in September 2016. The top five reasons for using email encryption had to do with either compliance or avoiding a data breach.”]
Source: https://www.darkreading.com/cloud/email-encryption-on-the-rise-but-still-not-universal-