Data and charts from the Presidential Pre-Candidates, May 2011, by Mitofsky. The parties are plotted based on public opinion of them:
- As of May 2011, the PRI is the most popular popular with 36 percent of respondents ranking them positively compared to 22 responding negatively. This is the lowest point since 2010, however, as can be seen in the chart below.
- The PRD has a 24 percent favorability ranking and 22 against; the positive reponses hasn’t changed significantly over time, but the negatives are are up from 15 percent in July 2011.
- The PAN polls a 31 percent favorability ranking and 24 against. The first time the PAN received more negative responses than positive was in February 2011.