This report presents worldwide digital TV STB shipment volume and value per year for the period 2009-2013, with volume and value breakdowns by product mix. Also included are forecasts of worldwide digital TV subscriber base and share by system technology per year for the period 2009 - 2013. The report finds that digital TV subscribers are expected to grow steadily during the period 2009 ?2013. Digital cable TV subscribers' share is expected to account for over 40% of the total digital TV subscribers in 2009 and continue to grow through to 2013. Meanwhile, worldwide digital TV STB shipment volume is expected to achieve nearly 8% year-on-year growth in 2009. Digital satellite STB is anticipated to account for over 45% of total shipments in 2009, followed by digital cable STB and digital terrestrial STB, and IPTV STB.