This report presents worldwide PC market volume per year for the period 2006-2015 and worldwide notebook PC market volume per year for the period 2006-2015, as well as worldwide PC market volume per quarter for the period 1Q 2009 - 4Q 2011 and worldwide notebook PC market volume per quarter for the period 1Q 2009 - 4Q 2011. The report includes forecasts of worldwide notebook PC market volume and share by region, by panel size, and by computing platform type. The report finds that despite a number of adverse factors, the worldwide notebook PC market still managed to achieve double digit growth in 2010. In 2011, worldwide notebook PC market growth is expected to grow steadily, with the growth rate expected to slow slightly.