Since the impeachment of Dilma Rousseff as President of Brazil became a subject of debate and taking a lot of space in the media, the main polling institutes of the country made many opinion polls about it.
Opinion polls Public opinion In general, the questions made to electors were: "Should Dilma Rousseff be removed from the Presidency?" or "Should the National Congress open an impeachment process against President Dilma?"
Polling group Date Sample size Yes No Unsure / No opinion Net ± Vox Populi 9–12 Apr 2016 2,000 57% 38% 6% +28% Datafolha 7–8 April 2016 2,779 61% 33% 6% +28% Ideia Inteligência 28–29 Mar 2016 10,005 69% 31% – +38% Datafolha 17–18 Mar 2016 2,794 68% 27% 5% +41% Datafolha 24–25 Feb 2016 2,768 60% 33% 7% +27% CNT 17–18 Feb 2016 2,002 55.6% 40.3% 4.1% +21.2% Ipsos 26–27 Jan 2016 1,200 60% 22% 18% +38% Paraná Pesquisas 22–26 Jan 2016 2,004 59.4% 38.2% 2.4% +21.2% Datafolha 16–17 Dec 2015 2,810 60% 34% 6% +26% Ibope 5–9 Dec 2015 2,002 67% 28% 4% +39% Datafolha 24–25 Nov 2015 3,541 65% 30% 5% +35% CNT/MDA 20–24 Oct 2015 2,002 61.3% 33.8% 4.9% +27.5% Datafolha 6 Aug 2015 3,358 66% 28% 5% +38% CNT/MDA 21 Jul 2015 2,002 62.8% 32.1% 5.1% +30.7% Datafolha 11 Apr 2015 2,834 63% 33% 4% +30% CNT/MDA 21 Mar 2015 2,002 59.7% 34.7% 5.6% +25.0%
+Polling aggregates key Impeachment support Yes No Unsure/No Opinion
Federal Deputies Datafolha also interviewed 315 federal deputies, between 7 and 18 December 2015. 215 congressmen and congresswomen (42%) were favorable to the impeach. As 342 votes were needed, there were 127 votes to go. On the other side, 159 deputies (31%) said that they would vote against the impeachment, so 12 more votes were needed to reach the 171 votes, which would avoid the process. The 27% left were indecised. Among the government supporters, 26% of them were favorable and 33% of the PMDB members wanted the impeachment. The poll should a slight improvement for President Rousseff, comparing to another poll published in October 2015.
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