Friday Google released AdMob data showing 2010 growth and ad distribution by region for the Google mobile display network. The largest region is North America (dominated by the US), followed by Asia and Western Europe.
According to IDC's most recent estimates mobile display is not as big a revenue source as mobile paid search for Google. Here are the estimated US mobile display ad market share figures (minus search dollars):
The following are the AdMob charts showing 2010 growth by region:


