In comparison, traditional pay TV came in with 15.1 million.
The data puts the margin between streaming and pay-TV subscriptions as considerable, albeit far from stratospheric.
Pay TV has also seen the end to a years-long streak of persistent growth with a drop in revenue.
Subscriptions to the streaming platforms, Netflix, Amazon Prime and Sky plc’s streaming service Now TV tallied in at 15.4 million in 2018’s first quarter.