Description Format Details Source
Approval rating and election margin for recent presidential elections
A dataset with 12 observations on the following 5 variables.
| Year | Certain election years from 1940-2012 | 
| Candidate | Incumbent US president | 
| Approval | Presidential approval rating at time of election | 
| Margin | Margin of victory/defeat (as a percentage) | 
| Result | Outcome of the election for the incumbent: LostorWon | 
Data include US Presidential elections since 1940 in which an incumbent was running for president.
The approval rating for the sitting president is compared to the margin of victory/defeat in the election. 
** Updated for 2e (original is now ElectionMargin1e) **
Silver, Nate, "Approval Ratings and Re-Election Odds", fivethirtyeight.com, posted January 28, 2011 and http:\realclearpolitics.org
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.