Steam is riding a huge wave of PC gaming, especially with Battlegrounds just eating up the Steam charts, but over the last 18 months the company has added 27 million new gamers to Steam... or 1.5 million gamers per month.
GeekWire is reporting that one of Valve's slides at a presentation showed that Steam has 33 million daily active players, and 67 million monthly active players. Since January 2016, Valve has added 27 million new gamers to Steam, or 1.5 million per month for 18 months. Steam has also reached a huge 14 million concurrent users, up from 8.4 million in 2015 - while 125 million registered users in total.
Breaking the numbers into region, the US scoops up 34% of Steam gamers, while Europe is home to 29%. Asia continues to get bigger for Steam, hitting 17% of all users spread across Korea, China, and Japan.