This report presents worldwide PC market volume per year for the period 2002-2013 and worldwide notebook PC market volume per year for the period 2007-2013, as well as worldwide PC market volume per quarter for the period 1Q 2007 - 4Q 2009 and worldwide notebook PC market volume per quarter for the period 4Q 2007 - 4Q 2009. The report includes forecasts of worldwide notebook PC market volume and share by region, by panel size, and by CPU type. The report finds that, after experiencing double-digit annual growth rates from 2002 through 2008, worldwide notebook PC market volume is forecasted to see a significant annual growth decline in 2009. The annual growth rate is estimated to pick up in 2010 but after which the annual growth rate will fall to single digits. In 2009, Western Europe is expected to remain the largest market for notebook PCs, followed by North America.