This study updates IDC's IS outsourcing market forecast for Western Europe published in April 2009. It highlights the changes and provides 2008-2013 market forecasts by country. This document updates Western European IS Outsourcing Market 2008 and Forecast 2009-2013 (IDC #RI02R9, May 2009), which also contains a table with the key assumptions for 2009 to 2013.