This report presents worldwide PC market volume forecast per year for the period 2014-2018 and worldwide notebook PC market volume forecast per year for the period 2014-2018, as well as worldwide PC market volume forecast per quarter for the period 1Q 2014 - 4Q 2014 and worldwide notebook PC market volume forecast per quarter for the period 1Q 2014 - 4Q 2014. 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 due to a number of adverse factors, the worldwide notebook PC market volume declined further in 2013. In 2014, as the cannibalization effect of other mobile devices on notebook PCs continues, worldwide notebook PC market volume will continue to decline albeit at a slower rate, helped by the replacement demand in Western Europe and North America.