 An analysis by Costas Panagopolous in 2009 ranked 23 survey research organizations on the accuracy of their final, national pre-election polls based upon Obama's 7.2% margin of victory; the analysis determined that Rasmussen Reports was tied for 9th most accurate.Democracy Corps, Fox News/Opinion Dynamic, CNN/Opinion Research, and Ipsos/McClatchy all predicted an accurate seven point spread.Rasmussen Reports polls predicted the correct winner in 46 states.