The global smartphone market is expected to grow 11.3 percent in 2015, but that is a drastically reduced number over the 27.6 percent growth rate in 2014, according to the IDC research group.
Meanwhile, Google Android has a strong control of the smartphone market, with 79.4 percent market share ahead of Apple iOS (16.4 percent), Microsoft Windows Phone (3.2 percent), and other OS versions (1 percent).
"Smartphone volume still has a lot of opportunity in the years to come, but two fundamental segments driving recent years' growth are starting to slow," said Ryan Reith, program director of the IDC Worldwide Quarterly Mobile Phone Tracker. "As reported earlier in May, smartphone shipments in China actually declined year-over-year in the first quarter of 2015, showing that the largest market in the world has reached a level of maturity where rapid growth will be harder to achieve."
Looking ahead, IDC predicts Android will have 79 percent market share, with iOS at 14.2 percent and Windows Phone - which will be Windows 10 on smartphones - at 5.4 percent.