The data displays a timeline with the amount of monthly active WhatsApp users worldwide as of December 2017. As of that month, the mobile messaging app announced more than 1.5 billion monthly active users, up from over 1 billion MAU in February 2016. The service is one of the most popular mobile apps worldwide.
WhatsApp
WhatsApp is a cross-platform instant messaging service for smartphones that relies on the internet for the transmission of messages. Based on a low-cost subscription model, WhatsApp is a cheap alternative to carrier-billed text messaging via SMS, especially for international or group messaging.
