Monterey, Calif., Jan. 14, 2016--Announced today by SNL Kagan, a division within S&P Capital IQ and SNL, global set-top box (STB) shipments maintained elevated levels in 2015, buoyed by demand in emerging market such as China and India. Worldwide STB shipments are on track to reach 253.1 million in 2015, up marginally from 248.6 million in 2014, as the global multichannel market swelled to an estimated 959 million subscribers, according to SNL Kagan estimates for global volumes.