Growing your own leaders pays off, though the ability to actually do it varies widely. On average, only 46 percent of critical positions can be immediately filled by internal candidates. We found that there are certain talent management practices that directly impact the percentage of ready-now leaders. See which practices can help (or hinder) your bench. For a full list of findings from the Global Leadership Forecast 2014|2015, visit www.ddiworld.com/glf2014.