According to this website:
DDI’s 2008/2009 Global Leadership Forecast, a resounding 75% of executives surveyed identified improving or leveraging talent as a top priority. This shows that some headway is being made in finding the “right” people. It also points out, though, that much more work needs to be done to draw out the potential within those individuals. Without being able to draw out or leverage that potential, there may still be a leadership shortage.
Furthermore, the leadership challenge is both a global phenomenon and one that is particularly severe in certain industries. Healthcare and engineering head the list of fields where leadership is in great demand.