Take Two noted during their FY16 conference call (For the period ending March 31st 2016) that the PlayStation 4 and Xbox One install base is over 60 million units.
EA last estimated that PlayStation 4 and Xbox One sales were at 55 million at the end of 2015 which means that the console install base has continued to grow at a healthy rate.
Note. This is a rough number, not exact. It is not accurate enough to provide a split.