This was announced today by Sundar Pichai, senior vice president of Google for Android, Chrome and Apps, during a speech at the annual Google I / O conference in San Francisco.

Mashable
compares this data with Apple, which has only 800 million sold iOS devices for all time, and the percentage of active users is unknown.
On the eve, Sundar Pichai also distinguished himself by stating that
Apple does not understand anything about the development of technology .