While fixed WiFi (46.2 percent) will barely edge out fixed wired (46.1 percent) as the most-used client access interconnect technology in 2015, the overriding theme of this assessment is that the use of those two technologies and mobile data all are growing rapidly.
http://www.cablinginstall.com/articles/print/...eader.html

.....info a little dated, but helps puts WiFi/LiFi in better perspective imo