Opinion polling for the Brazilian presidential election, 2010
 |
 |
 |
| Dilma Rousseff PT |
José Serra PSDB |
Marina Silva PV |
|---|
Opinion polling in the Brazilian presidential election, 2010 began as soon as 2008. The main nationwide polling institutes are Datafolha, IBOPE, Vox Populi, and Sensus. From 1 January 2010 to the election day, as required by the electoral law, all polls were registered within the Supreme Electoral Court database.[1]
Election information
Main article: Brazilian presidential election, 2010
The first round of the 2010 Brazilian presidential election was held on October 3, as part of the country's general election, with a second round between the two leading candidates on October 31. That happened because under Brazilian law, if none of the candidates receives more than a half of the valid votes, a run-off is held four weeks after the first round.[2] The leading candidate, Dilma Rousseff, received 46.9% of the first-round vote, thereby making a second round necessary.
In the election, Brazilian citizens eligible to vote chose their successor to then-President Luiz Inácio Lula da Silva, of the democratic socialist/social democratic Workers' Party. According to the Constitution, the President is elected directly to a four-year term, with a limit of two terms. Lula was hence ineligible for a third term, since he was elected in 2002 and re-elected in 2006.[3] The 2010 election marked the first time since the end of the military dictatorship that Lula was not a candidate for the presidency.[4]
Candidates overview
Since the earliest polls for president, former São Paulo Governor José Serra – candidate for the center-right[5] opposition group led by the centrist/Third Way[6][7] Social Democratic Party – was ahead of Dilma Rousseff, pre-candidate for the ruling center-left bloc led by the Workers' Party. Rousseff, however, increased her popularity greatly, rising from 3% in March 2008 to 30% in March 2010. On the May 8, 2010 poll by Vox Populi, she finally surpassed Serra, achieving 37% of the voting intention.
Another potential candidate for the ruling center-left group was Ciro Gomes from the Brazilian Socialist Party,[6] who lost his comfortable second place in polls to Rousseff in May 2009. After that, he maintained an average of 12% of voting intention. On April 27, 2010, Gomes' party declined to launch his candidacy, instead supporting Rousseff.[8] In the left-wing opposition group, Socialism and Freedom Party's Heloísa Helena was the most likely candidate, but her name was withdrawn from polling after she decided to run for a seat in the Senate for Alagoas.[9] Plínio de Arruda Sampaio was her party's candidate for president.[9] Almost simultaneously, Marina Silva left the Workers' Party and joined the Green Party to run for president.[10] Prior to her candidature, she was well-known internationally as a defender of the Amazon Rainforest, but was less known in her native Brazil.[6]
Polls
It should be noted that the results displayed in this article excludes results for spontaneous polls (in which cards with the names of likely candidates are not presented to researched voters), due to the significant amount of voters that would vote on Luiz Inácio Lula da Silva. By law, leaders of all stances of the Executive branch can only be re-elected once.
On September, Vox Populi institute began an unprecedented tracking poll for president, which was intended to last for 36 days until October 2.
Nationwide
Graphic representation of polls up to September 29, 2010.
| Date conducted | Institute | José Serra | Dilma Rousseff | Ciro Gomes | Heloísa Helena | Marina Silva | Others / None / Undecided | Lead |
|---|---|---|---|---|---|---|---|---|
| October 31, 2010 | Election Results (2nd round) | 43.9% | 56.1% | |
|
|
|
12.2% |
| October 30, 2010 | Vox Populi[11] | 39% | 51% | |
|
|
10% | 12% |
| October 29–30, 2010 | Datafolha[12] | 41% | 51% | |
|
|
8% | 10% |
| October 28–29, 2010 | Sensus[13] | 37.6% | 50.3% | |
|
|
12% | 12.7% |
| October 28, 2010 | Datafolha[14] | 40% | 50% | |
|
|
10% | 10% |
| October 27–30, 2010 | Ibope[15] | 40% | 52% | |
|
|
8% | 12% |
| October 27, 2010 | Datafolha[16] | 38% | 49% | |
|
|
13% | 11% |
| October 26–28, 2010 | Ibope[17] | 39% | 52% | |
|
|
9% | 13% |
| October 23–25, 2010 | Sensus[18] | 36.7% | 51.9% | |
|
|
11.4% | 15.2% |
| October 23–24, 2010 | Vox Populi[19] | 38% | 49% | |
|
|
13% | 11% |
| October 21, 2010 | Datafolha[20] | 40% | 50% | |
|
|
10% | 10% |
| October 18–19, 2010 | Sensus[21] | 41,8% | 46,8% | |
|
|
11.4% | 5% |
| October 17–20, 2010 | Ibope[22] | 40% | 51% | |
|
|
9% | 11% |
| October 15–17, 2010 | Vox Populi[23] | 39% | 51% | |
|
|
10% | 12% |
| October 14–15, 2010 | Datafolha[24] | 41% | 47% | |
|
|
12% | 6% |
| October 11–13, 2010 | Sensus[25] | 42.7% | 46.8% | |
|
|
10.5% | 4.1% |
| October 11–13, 2010 | Ibope[26] | 43% | 49% | |
|
|
8% | 6% |
| October 10–11, 2010 | Vox Populi[27] | 40% | 48% | |
|
|
12% | 8% |
| October 8, 2010 | Datafolha[28] | 41% | 48% | |
|
|
11% | 7% |
| October 3, 2010 | Election Results (1st round) | 32.6% | 46.9% | |
|
19.3% | 1.2% | 14.3% |
| October 2, 2010 | Vox Populi[29] | 26% | 47% | |
|
14% | 13% | 21% |
| October 1–2, 2010 | Ibope[30] | 29% | 47% | |
|
16% | 8% | 18% |
| October 1–2, 2010 | Datafolha[31] | 29% | 47% | |
|
16% | 8% | 18% |
| October 1, 2010 | Vox Populi[29] | 27% | 48% | |
|
12% | 13% | 21% |
| September 30, 2010 | Vox Populi[29] | 26% | 49% | |
|
12% | 13% | 23% |
| September 29, 2010 | Vox Populi[29] | 26% | 49% | |
|
12% | 13% | 23% |
| September 28–29, 2010 | Datafolha[32] | 28% | 47% | |
|
14% | 11% | 19% |
| September 28, 2010 | Vox Populi[29] | 25% | 49% | |
|
12% | 14% | 24% |
| September 27, 2010 | Datafolha[33] | 28% | 46% | |
|
14% | 12% | 18% |
| September 27, 2010 | Vox Populi[29] | 24% | 49% | |
|
13% | 14% | 25% |
| September 26–28, 2010 | Sensus[34] | 25.6% | 47.5% | |
|
11.6% | 15.3% | 21.9% |
| September 26, 2010 | Vox Populi[29] | 24% | 49% | |
|
12% | 15% | 25% |
| September 25–26, 2010 | Ibope[35] | 27% | 50% | |
|
13% | 10% | 23% |
| September 25, 2010 | Vox Populi[29] | 23% | 50% | |
|
11% | 16% | 27% |
| September 24, 2010 | Vox Populi[29] | 24% | 50% | |
|
10% | 16% | 26% |
| September 23, 2010 | Vox Populi[29] | 24% | 51% | |
|
10% | 15% | 27% |
| September 22, 2010 | Vox Populi[29] | 24% | 51% | |
|
10% | 15% | 27% |
| September 21–23, 2010 | Ibope[36] | 28% | 50% | |
|
12% | 10% | 22% |
| September 21–22, 2010 | Datafolha[37] | 28% | 49% | |
|
13% | 10% | 21% |
| September 21, 2010 | Vox Populi[29] | 25% | 52% | |
|
9% | 14% | 27% |
| September 20, 2010 | Vox Populi[29] | 23% | 53% | |
|
9% | 15% | 30% |
| September 19, 2010 | Vox Populi[29] | 24% | 53% | |
|
9% | 14% | 29% |
| September 18, 2010 | Vox Populi[29] | 24% | 51% | |
|
9% | 16% | 27% |
| September 17, 2010 | Vox Populi[29] | 23% | 51% | |
|
9% | 17% | 28% |
| September 16, 2010 | Vox Populi[29] | 23% | 51% | |
|
9% | 17% | 28% |
| September 15, 2010 | Vox Populi[29] | 22% | 52% | |
|
9% | 17% | 30% |
| September 14–17, 2010 | Ibope[38] | 25% | 51% | |
|
11% | 13% | 26% |
| September 14, 2010 | Vox Populi[29] | 22% | 53% | |
|
8% | 17% | 31% |
| September 13–15, 2010 | Datafolha[39] | 27% | 51% | |
|
11% | 11% | 24% |
| September 13, 2010 | Vox Populi[29] | 22% | 54% | |
|
8% | 16% | 32% |
| September 12, 2010 | Vox Populi[29] | 23% | 53% | |
|
9% | 15% | 30% |
| September 11, 2010 | Vox Populi[29] | 23% | 52% | |
|
9% | 16% | 29% |
| September 10–12, 2010 | Sensus[40] | 26.4% | 50.5% | |
|
8.9% | 14.2% | 24.1% |
| September 10, 2010 | Vox Populi[29] | 22% | 53% | |
|
9% | 16% | 31% |
| September 9, 2010 | Vox Populi[29] | 21% | 53% | |
|
9% | 17% | 32% |
| September 8–9, 2010 | Datafolha[41] | 27% | 50% | |
|
11% | 12% | 23% |
| September 8, 2010 | Vox Populi[29] | 21% | 54% | |
|
9% | 15% | 33% |
| September 7, 2010 | Vox Populi[29] | 21% | 56% | |
|
8% | 15% | 35% |
| September 6, 2010 | Vox Populi[29][42] | 22% | 55% | |
|
8% | 15% | 33% |
| September 5, 2010 | Vox Populi[29][42] | 24% | 53% | |
|
8% | 15% | 29% |
| September 4, 2010 | Vox Populi[43] | 24% | 53% | |
|
8% | 15% | 29% |
| September 3, 2010 | Vox Populi[44] | 24% | 52% | |
|
8% | 16% | 28% |
| September 2–3, 2010 | Datafolha[45] | 28% | 50% | |
|
10% | 12% | 22% |
| September 2, 2010 | Vox Populi[46] | 25% | 51% | |
|
9% | 15% | 26% |
| September 1, 2010 | Vox Populi[29][42] | 25% | 51% | |
|
9% | 15% | 26% |
| August 31-September 2, 2010 | Ibope[47] | 27% | 51% | |
|
8% | 14% | 24% |
| August 24–26, 2010 | Ibope[48] | 27% | 51% | |
|
7% | 15% | 24% |
| August 23–24, 2010 | Datafolha[49] | 29% | 49% | |
|
9% | 13% | 20% |
| August 20–22, 2010 | Sensus[50] | 28.1% | 46% | |
|
8.1% | 17.8% | 17.9% |
| August 20, 2010 | Datafolha[51] | 30% | 47% | |
|
9% | 14% | 17% |
| August 12–15, 2010 | Ibope[52] | 32% | 43% | |
|
8% | 17% | 11% |
| August 9–12, 2010 | Datafolha[53] | 33% | 41% | |
|
10% | 16% | 8% |
| August 7–10, 2010 | Vox Populi[54] | 29% | 45% | |
|
8% | 18% | 16% |
| August 2–5, 2010 | Ibope[55] | 34% | 39% | |
|
8% | 19% | 5% |
| July 31-August 2, 2010 | Sensus[56] | 31.6% | 41.6% | |
|
8.5% | 18.3% | 10% |
| July 26–29, 2010 | Ibope[57] | 34% | 39% | |
|
7% | 19% | 5% |
| July 20–23, 2010 | Datafolha[57] | 37% | 36% | |
|
10% | 17% | 1% |
| July 17–20, 2010 | Vox Populi[57] | 33% | 41% | |
|
8% | 17% | 8% |
| June 30-July 1, 2010 | Datafolha[57] | 39% | 38% | |
|
10% | 12% | 1% |
| June 27–30, 2010 | Ibope[57] | 39% | 39% | |
|
10% | 13% | Tie |
| June 24–26, 2010 | Vox Populi[58] | 35% | 40% | |
|
8% | 17% | 5% |
| June 19–21, 2010 | Ibope[59] | 35% | 40% | |
|
9% | 16% | 5% |
| May 31-June 3, 2010 | Ibope[60] | 37% | 37% | |
|
9% | 17% | Tie |
| May 20–21, 2010 | Datafolha[61] | 37% | 37% | |
|
12% | 14% | Tie |
| May 10–14, 2010 | Sensus[62] | 33.2% | 35.7% | |
|
8% | 17.3% | 2.5% |
| May 8–13, 2010 | Vox Populi[63] | 35% | 38% | |
|
7% | 22% | 3% |
| April 15–16, 2010 | Datafolha[64] | 38% | 28% | 9% | |
10% | 15% | 10% |
| April 13–16, 2010 | Ibope[65] | 36% | 29% | 8% | |
8% | 19% | 7% |
| April 5–9, 2010 | Sensus[66] | 32.7% | 32.4% | 10.1% | |
8.1% | 16.7% | 0.3% |
| March 30–31, 2010 | Vox Populi[67] | 34% | 31% | 10% | |
5% | 20% | 3% |
| March 25–26, 2010 | Datafolha[68] | 36% | 27% | 11% | |
8% | 18% | 9% |
| March 6–10, 2010 | Ibope[69] | 35% | 30% | 11% | |
6% | 18% | 5% |
| February 24–25, 2010 | Datafolha[70] | 32% | 28% | 12% | |
8% | 19% | 4% |
| February 6–9, 2010 | Ibope[71] | 36% | 25% | 11% | |
8% | 20% | 11% |
| January 25–29, 2010 | Sensus[72] | 33.2% | 27.8% | 11.9% | |
6.8% | 20.3% | 5.4% |
| January 14–17, 2010 | Vox Populi[73] | 34% | 27% | 11% | |
9% | 19% | 7% |
| December 14–18, 2009 | Datafolha[74] | 37% | 23% | 13% | |
8% | 19% | 14% |
| November 26–30, 2009 | Ibope[75] | 38% | 17% | 13% | |
6% | 25% | 21% |
| November 23, 2009 | Sensus[76] | 31.8% | 21.7% | 17.5% | |
5.9% | 23.1% | 10.1% |
| November 11, 2009 | Vox Populi[77] | 36% | 19% | 13% | 6% | 3% | 23% | 17% |
| September 8, 2009 | Sensus[78] | 39.5% | 19% | |
9.7% | 4.8% | 27% | 20.5% |
| August 18, 2009 | Vox Populi[79] | 30% | 21% | 17% | 12% | |
20% | 9% |
| August 16, 2009 | Datafolha[80] | 38% | 17% | 14% | 12% | 3% | 18% | 21% |
| June 9, 2009 | Ibope[81] | 38% | 18% | 12% | 7% | |
25% | 20% |
| May 28, 2009 | Datafolha[82] | 38% | 16% | 15% | 10% | |
21% | 22% |
| March 19, 2009 | Datafolha[82] | 41% | 11% | 16% | 11% | |
21% | 25% |
| November 28, 2008 | Datafolha[82] | 41% | 8% | 15% | 14% | |
21% | 26% |
| March 27, 2008 | Datafolha[82] | 38% | 3% | 20% | 14% | |
25% | 18% |
Regional
| Central-West/North* | |||||||
|---|---|---|---|---|---|---|---|
| Date conducted | Institute[57] | José Serra | Dilma Rousseff | Ciro Gomes | Marina Silva | Others / None / Undecided | Lead |
| September 21–22, 2010 | Datafolha | 30% | 46% | – | 16% | 8% | 16% over Serra |
| September 14–16, 2010 | Ibope | 30% | 46% | – | 13% | 11% | 16% over Serra |
| September 13–15, 2010 | Datafolha | 28% | 49% | – | 13% | 10% | 21% over Serra |
| September 8–9, 2010 | Datafolha | 29% | 47% | – | 14% | 10% | 18% over Serra |
| September 2–3, 2010 | Datafolha | 29% | 51% | – | 10% | 10% | 22% over Serra |
| August 31-September 2, 2010 | Ibope | 25% | 55% | – | 8% | 12% | 30% over Serra |
| August 24–26, 2010 | Ibope | 24% | 56% | – | 9% | 11% | 32% over Serra |
| August 23–24, 2010 | Datafolha | 29% | 50% | – | 8% | 13% | 21% over Serra |
| August 20, 2010 | Datafolha | 27% | 50% | – | 12% | 11% | 23% over Serra |
| August 12–15, 2010 | Ibope | 41% | 33% | – | 9% | 17% | 8% over Serra |
| August 9–12, 2010 | Datafolha | 33% | 43% | – | 11% | 13% | 10% over Serra |
| July 26–29, 2010 | Ibope | 33% | 40% | – | 8% | 19% | 7% over Serra |
| July 20–23, 2010 | Datafolha | 33% | 40% | – | 10% | 17% | 7% over Serra |
| June 30-July 1, 2010 | Datafolha | 38% | 42% | – | 8% | 12% | 4% over Serra |
| June 27–30, 2010 | Ibope | 41% | 33% | – | 9% | 17% | 8% over Dilma |
| May 31-June 3, 2010 | Ibope | 31% | 43% | – | 11% | 15% | 12% over Serra |
| May 20–21, 2010 | Datafolha | 40% | 34% | – | 14% | 12% | 6% over Dilma |
| April 15–16, 2010 | Datafolha | 39% | 30% | 6% | 12% | 13% | 9% over Dilma |
| March 25–26, 2010 | Datafolha | 34% | 29% | 9% | 10% | 18% | 5% over Dilma |
| February 24–25, 2010 | Datafolha | 32% | 29% | 11% | 13% | 16% | 3% over Dilma |
| December 14–18, 2010 | Datafolha | 38% | 24% | 13% | 9% | 16% | 14% over Dilma |
| (*) The Central-West and North regions are counted as one macroregion due to their low population density. | |||||||
| Northeast | |||||||
|---|---|---|---|---|---|---|---|
| Date conducted | Institute[57] | José Serra | Dilma Rousseff | Ciro Gomes | Marina Silva | Others / None / Undecided | Lead |
| September 21–22, 2010 | Datafolha | 20% | 63% | – | 9% | 8% | 43% over Serra |
| September 14–16, 2010 | Ibope | 16% | 66% | – | 7% | 11% | 50% over Serra |
| September 13–15, 2010 | Datafolha | 18% | 65% | – | 7% | 10% | 47% over Serra |
| September 8–9, 2010 | Datafolha | 18% | 63% | – | 8% | 11% | 45% over Serra |
| September 2–3, 2010 | Datafolha | 20% | 61% | – | 6% | 13% | 41% over Serra |
| August 31-September 2, 2010 | Ibope | 18% | 65% | – | 6% | 11% | 47% over Serra |
| August 24–26, 2010 | Ibope | 20% | 66% | – | 5% | 9% | 46% over Serra |
| August 23–24, 2010 | Datafolha | 21% | 60% | – | 6% | 13% | 39% over Serra |
| August 20–22, 2010 | Sensus[50] | 19.8% | 62.1% | – | 6.4% | 11.1% | 42.3% over Serra |
| August 20, 2010 | Datafolha | 22% | 60% | – | 5% | 12% | 38% over Serra |
| August 12–15, 2010 | Ibope | 24% | 53% | – | 6% | 17% | 29% over Serra |
| August 9–12, 2010 | Datafolha | 25% | 49% | – | 8% | 18% | 25% over Serra |
| July 26–29, 2010 | Ibope | 25% | 49% | – | 5% | 21% | 25% over Serra |
| July 24–26, 2010 | Vox Populi | 27% | 52% | – | 5% | 17% | 25% over Serra |
| July 20–23, 2010 | Datafolha | 29% | 41% | – | 9% | 20% | 12% over Serra |
| June 30-July 1, 2010 | Datafolha | 30% | 46% | – | 7% | 17% | 16% over Serra |
| June 27–30, 2010 | Ibope | 30% | 50% | – | 7% | 14% | 20% over Serra |
| May 31-June 3, 2010 | Ibope | 27% | 47% | – | 9% | 17% | 20% over Serra |
| May 20–21, 2010 | Datafolha | 33% | 44% | – | 18% | 15% | 11% over Serra |
| May 8–13, 2010 | Vox Populi | 45% | 30% | – | 4% | 21% | 15% over Serra |
| April 15–16, 2010 | Datafolha | 27% | 33% | 14% | 10% | 16% | 6% over Serra |
| March 30–31, 2010 | Vox Populi | 26% | 40% | 13% | 5% | 16% | 14% over Serra |
| March 25–26, 2010 | Datafolha | 25% | 35% | 14% | 6% | 20% | 10% over Serra |
| February 24–25, 2010 | Datafolha | 22% | 36% | 15% | 6% | 22% | 14% over Serra |
| December 14–18, 2009 | Datafolha | 28% | 31% | 14% | 7% | 20% | 3% over Serra |
| South | |||||||
|---|---|---|---|---|---|---|---|
| Date conducted | Institute[57] | José Serra | Dilma Rousseff | Ciro Gomes | Marina Silva | Others / None / Undecided | Lead |
| September 21–22, 2010 | Datafolha | 35% | 43% | – | 10% | 12% | 8% over Serra |
| September 14–16, 2010 | Ibope | 35% | 42% | – | 10% | 13% | 7% over Serra |
| September 13–15, 2010 | Datafolha | 34% | 42% | – | 9% | 15% | 8% over Serra |
| September 8–9, 2010 | Datafolha | 35% | 43% | – | 9% | 13% | 8% over Serra |
| September 2–3, 2010 | Datafolha | 31% | 44% | – | 9% | 16% | 13% over Serra |
| August 31-September 2, 2010 | Ibope | 35% | 44% | – | 5% | 16% | 9% over Serra |
| August 23–24, 2010 | Datafolha | 36% | 43% | – | 7% | 14% | 7% over Serra |
| August 20–22, 2010 | Sensus[50] | 47.8% | 35.7% | – | 6.9% | 9.3% | 12.1% over Dilma |
| August 20, 2010 | Datafolha | 40% | 38% | – | 10% | 12% | 2% over Dilma |
| August 12–15, 2010 | Ibope | 44% | 35% | – | 8% | 13% | 9% over Dilma |
| August 9–12, 2010 | Datafolha | 41% | 34% | – | 8% | 17% | 7% over Dilma |
| July 26–29, 2010 | Ibope | 46% | 31% | – | 5% | 17% | 15% over Dilma |
| June 24–26, 2010 | Vox Populi | 44% | 33% | – | 8% | 15% | 11% over Dilma |
| July 20–23, 2010 | Datafolha | 45% | 32% | – | 9% | 13% | 13% over Dilma |
| June 30-July 1, 2010 | Datafolha | 50% | 32% | – | 8% | 11% | 18% over Dilma |
| June 27–30, 2010 | Ibope | 45% | 37% | – | 9% | 10% | 8% over Dilma |
| May 31-June 3, 2010 | Ibope | 46% | 26% | – | 6% | 21% | 20% over Dilma |
| May 20–21, 2010 | Datafolha | 38% | 35% | – | 12% | 14% | 3% over Dilma |
| May 8–13, 2010 | Vox Populi | 45% | 30% | – | 8% | 16% | 15% over Dilma |
| April 15–16, 2010 | Datafolha | 45% | 25% | 6% | 8% | 16% | 20% over Dilma |
| March 30–31, 2010 | Vox Populi | 33% | 33% | 7% | 3% | 25% | 0% |
| March 25–26, 2010 | Datafolha | 48% | 20% | 7% | 6% | 18% | 28% over Dilma |
| February 24–25, 2010 | Datafolha | 38% | 24% | 9% | 6% | 23% | 14% over Dilma |
| December 14–18, 2010 | Datafolha | 39% | 19% | 12% | 7% | 23% | 20% over Dilma |
| Southeast | |||||||
|---|---|---|---|---|---|---|---|
| Date conducted | Institute[57] | José Serra | Dilma Rousseff | Ciro Gomes | Marina Silva | Others / None / Undecided | Lead |
| September 21–22, 2010 | Datafolha | 30% | 44% | – | 16% | 10% | 14% over Serra |
| September 14–16, 2010 | Ibope | 24% | 48% | – | 14% | 15% | 24% over Serra |
| September 13–15, 2010 | Datafolha | 29% | 46% | – | 14% | 11% | 17% over Serra |
| September 8–9, 2010 | Datafolha | 29% | 46% | – | 13% | 12% | 17% over Serra |
| September 2–3, 2010 | Datafolha | 33% | 44% | – | 12% | 11% | 11% over Serra |
| August 31-September 2, 2010 | Ibope | 31% | 44% | – | 10% | 15% | 13% over Serra |
| August 24–26, 2010 | Ibope | 30% | 44% | – | 8% | 18% | 14% over Serra |
| August 23–24, 2010 | Datafolha | 32% | 44% | – | 11% | 13% | 12% over Serra |
| August 20–22, 2010 | Sensus[50] | 27.6% | 39.2% | – | 9.7% | 21.8% | 11.6% over Serra |
| August 20, 2010 | Datafolha | 33% | 42% | – | 10% | 15% | 9% over Serra |
| August 12–15, 2010 | Ibope | 32% | 41% | – | 10% | 17% | 9% over Serra |
| August 9–12, 2010 | Datafolha | 35% | 37% | – | 13% | 15% | 2% over Serra |
| July 26–29, 2010 | Ibope | 35% | 37% | – | 9% | 19% | 2% over Serra |
| July 24–26, 2010 | Vox Populi | 37% | 34% | – | 9% | 21% | 3% over Dilma |
| July 20–23, 2010 | Datafolha | 40% | 33% | – | 12% | 15% | 7% over Dilma |
| June 30-July 1, 2010 | Datafolha | 43% | 33% | – | 13% | 11% | 10% over Dilma |
| June 27–30, 2010 | Ibope | 41% | 34% | – | 12% | 14% | 7% over Dilma |
| May 31-June 3, 2010 | Ibope | 41% | 33% | – | 10% | 16% | 8% over Dilma |
| May 20–21, 2010 | Datafolha | 40% | 33% | – | 12% | 15% | 7% over Dilma |
| May 8–13, 2010 | Vox Populi | 35% | 36% | – | 9% | 20% | 1% over Serra |
| April 15–16, 2010 | Datafolha | 42% | 24% | 9% | 10% | 15% | 18% over Dilma |
| March 30–31, 2010 | Vox Populi | 39% | 26% | 10% | 5% | 21% | 13% over Dilma |
| March 25–26, 2010 | Datafolha | 40% | 24% | 10% | 9% | 16% | 16% over Dilma |
| February 24–25, 2010 | Datafolha | 38% | 24% | 12% | 9% | 16% | 14% over Dilma |
| December 14–18, 2009 | Datafolha | 41% | 19% | 12% | 9% | 18% | 22% over Dilma |
References
- ↑ (Portuguese) "Confira o calendário eleitoral 2010". Terra.
- ↑ Colitt, Raymond. "Key dates in Brazil's 2010 presidential race". Reuters. January 11, 2010.
- ↑ Barrionuevo, Alexei. "The Health of a Likely Presidential Candidate Comes Under Brazil's Microscope". The New York Times, May 23, 2009. Accessed June 14, 2009.
- ↑ Colitt, Raymond. "Positions of Brazil's leading candidates". Reuters. January 11, 2010.
- ↑ Freedom House (July 16, 2009). "Freedom in the World 2009 - Brazil". UNHCR.
In early 1994, Fernando Henrique Cardoso (...) forged a three-party, centre-right coalition around his Brazilian Social Democracy Party (PSDB).
- 1 2 3 Colitt, Raymond. "Key names in Brazil's 2010 presidential race". Reuters. December 17, 2010.
- ↑ Segrillo, Angelo (2004). "A confusão esquerda-direita no mundo pós-Muro de Berlim" [The left-right confusion in the post-Berlin Wall world]. Dados (in Portuguese). 47: 615–632. doi:10.1590/S0011-52582004000300006. ISSN 0011-5258.
Most analysts defined PSDB as center-left as of its foundation (...) The story changed after 1994, with the election of PSDB to the Presidency. A rhetoric of overcoming the classical ideological divisions (...) was one of the justifications for the grand parliamentary alliance center and right-wing parties (...). As a matter of fact, after the 1994 election, most analysts starting defining PSDB as a centrist party along with PMDB
- ↑
- 1 2 (Portuguese) Faria, Tales. "PSol aprova resolução para se afastar de Marina Silva". Último Segundo. December 8, 2009.
- ↑ (Portuguese) Agência Estado. "PV já articula apoio à candidatura de Marina Silva". August 14, 2009. Globo.com. Retrieved on 2009-08-15.
- ↑ (Portuguese) "Vox Populi: Dilma tem 57% dos votos válidos e Serra, 43%". Terra. October 30, 2010.
- ↑ (Portuguese) "Datafolha: Dilma soma 55% dos votos válidos; Serra tem 45%". Terra. October 30, 2010.
- ↑ (Portuguese) "CNT/Sensus: Dilma chega a 57,2% dos votos válidos; Serra tem 42,8%". Terra. October 30, 2010.
- ↑ (Portuguese) Agência Brasil. "Datafolha aponta menos indecisos e vantagem de Dilma". DCI. October 29, 2010.
- ↑ (Portuguese) "Ibope: Dilma chega a 56% e Serra tem 44% dos votos válidos". Terra. October 30, 2010.
- ↑ (Portuguese) "Datafolha mostra Dilma com 56% e Serra com 44% dos votos válidos". G1. October 26, 2010.
- ↑ (Portuguese) Reuters. "Dilma tem 52% contra 39% de Serra, aponta Ibope". O Globo. October 28, 2010.
- ↑ (Portuguese) BBC Brasil. "CNT/Sensus aponta Dilma com 51,9%, contra 36,7% de Serra". O Globo. October 27, 2010.
- ↑ (Portuguese) BBC Brasil. "Vox Populi mostra Dilma com 49% dos votos, contra 38% de Serra". O Globo. October 25, 2010.
- ↑ (Portuguese) "Datafolha: Dilma tem 50% dos votos contra 40% de Serra". O Globo. October 22, 2010.
- ↑ (Portuguese) Reuters. "Sensus mostra Dilma com 46,8% e Serra com 41,8%, mostra CNT". O Globo. October 20, 2010.
- ↑ (Portuguese) "Ibope: Dilma amplia vantagem sobre Serra para 11 pontos". Último Segundo. October 20, 2010.
- ↑ (Portuguese) BBC Brasil. "Pesquisa Vox Populi indica Dilma com 51%, contra 39% de Serra". O Globo. October 19, 2010.
- ↑ (Portuguese) Della Barba, Mariana. "Dilma mantém oito pontos de vantagem sobre Serra, diz Datafolha". BBC Brasil. October 16, 2010.
- ↑ (Portuguese) "CNT/Sensus: Dilma 52,3% e Serra 47,7%". O Globo Online. October 14, 2010.
- ↑ (Portuguese) "Ibope: Dilma tem 53% dos votos válidos, e Serra, 47%". Época. October 13, 2010.
- ↑ (Portuguese) "Vox Populi: Dilma tem 48%; Serra tem 40%". Última Hora. October 13, 2010.
- ↑ (Portuguese) "Pesquisa aponta Dilma sete pontos acima de Serra". Zero Hora. October 9, 2010.
- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 (Portuguese) "Tracking Vox Populi/Band/iG: Dilma tem 53% dos votos válidos". Último Segundo. October 2, 2010.
- ↑ (Portuguese) "Ibope reforça indefinição sobre segundo turno nas eleições para presidente". Zero Hora. October 2, 2010.
- ↑ "". Terra.
- ↑ (Portuguese) "Datafolha: Dilma tem 47% e Serra, 28%". Último Segundo. September 30, 2010.
- ↑ (Portuguese) "Datafolha: com 46%, cai vantagem de Dilma para outros candidatos". Terra. September 28, 2010.
- ↑ (Portuguese) Andrade, Claudia. "CNT/Sensus: Dilma tem 54,7% dos votos válidos e Serra, 29,5%". Terra. September 29, 2010.
- ↑ (Portuguese) Agencia EFE. "Pesquisa CNI/Ibope aponta Dilma com 50%". European Pressphoto Agency. September 29, 2010.
- ↑ (Portuguese) "Ibope: Dilma mantém liderança com 50%; Serra chega a 28% e Marina a 12%". BOL. September 24, 2010.
- ↑ (Portuguese) "Datafolha: cai diferença de Dilma para os outros candidatos". Terra. September 22, 2010.
- ↑ (Portuguese) Agência Estado. "Ibope: Dilma amplia vantagem sobre Serra". Diário da Manhã. September 17, 2010.
- ↑ (Portuguese) Agência Estado. "Datafolha: Dilma avança a 51% e venceria já no 1º turno". O Estado de S. Paulo. September 16, 2010.
- ↑ BBC Brasil. "Dilma amplia vantagem em pesquisa CNT/Sensus". O Globo. September 14, 2010.
- ↑ Duarte, Alec. "Com 50%, Dilma mantém vantagem e quadro é de estabilidade, diz Datafolha". BOL. September 10, 2010.
- 1 2 3 (Portuguese) "Tracking Vox Populi/Band/iG". e-BAND.
- ↑ (Portuguese) "Tracking Vox Populi/Band/iG: Dilma 53%, Serra 24%". Último Segundo. September 4, 2010.
- ↑ (Portuguese) "Dilma sobe; Serra e Marina caem, mostra pesquisa diária Vox Populi". e-BAND. September 3, 2010.
- ↑ (Portuguese) "Dilma tem 50% e amplia para 22 pontos a vantagem sobre Serra, aponta pesquisa". R7. September 4, 2010.
- ↑ (Portuguese) "Dilma mantém 51% e Serra, 25%, segundo pesquisa diária Vox Populi". e-BAND. September 2, 2010.
- ↑ (Portuguese) "Nova pesquisa Ibope mantém Dilma com 24 pontos na frente de Serra". Correio Braziliense. September 3, 2010.
- ↑ (Portuguese) "Dilma tem 51%, e Serra, 27%, aponta Ibope". G1. August 28, 2010.
- ↑ (Portuguese) Rodrigues, Fernando. "Dilma abre 20 pontos e já ultrapassa Serra em SP e no RS, diz Datafolha". Folha de S. Paulo. August 26, 2010.
- 1 2 3 4 (Portuguese) Campanerut, Camila. "Pesquisa CNT/Sensus: Dilma tem 46% das intenções de voto; Serra, 28,1%". BOL. August 24, 2010.
- ↑ (Portuguese) Folha de S. Paulo. "Dilma abre 17 pontos sobre Serra e venceria no primeiro turno". Agora. August 21, 2010.
- ↑ (Portuguese) EFE. "Dilma abre 11 pontos sobre Serra em pesquisa Ibope". Terra. August 16, 2010.
- ↑ (Portuguese) Dias, Marina, Caitano, Adriana, and Melo, Fernando. "Datafolha: Dilma tem 41% contra 33% de José Serra". Veja. August 13, 2010.
- ↑ (Portuguese) "Vox Populi aponta vantagem de 16 pontos de Dilma sobre Serra". G1. August 17, 2010.
- ↑ (Portuguese) Agência EFE. "Dilma segue na liderança em nova pesquisa Ibope". European Pressphoto Agency. August 6, 2010.
- ↑ (Portuguese) Borges, Laryssa. "CNT: Serra vence Dilma apenas no Sul e entre ricos e escolarizados". Terra. August 5, 2010.
- 1 2 3 4 5 6 7 8 9 Poll tracker at UOL Eleições
- ↑ (Portuguese) iG São Paulo. "Vox Populi confirma dianteira de Dilma". Último Segundo. June 29, 2010.
- ↑ (Portuguese) "CNI/Ibope: Dilma lidera pesquisa pela 1ª vez com 40%". A Tarde. June 23, 2010.
- ↑ (Portuguese) "Pesquisa Ibope mostra Dilma e Serra empatados em 37%". G1. June 5, 2010.
- ↑ (Portuguese)
- ↑ (Portuguese) G1. "CNT/Sensus mostra Dilma com 35,7% e Serra com 33,2%". G1. May 17, 2010.
- ↑ (Portuguese) Sassine, Vinícius. "Pela primeira vez, Dilma passa Serra em pesquisa de intenção de votos". Correio Braziliense. May 15, 2010.
- ↑ (Portuguese) Freitas, Tatiana. "Datafolha mostra Serra com 38% e Dilma com 28%". O Estado de S. Paulo. April 17, 2010.
- ↑ (Portuguese) "Ibope divulga nova pesquisa sobre intenção de voto para a Presidência". Jornal Floripa. April 23, 2010.
- ↑ (Portuguese) Folha Online. "Pesquisa Sensus aponta empate entre Serra e Dilma". BOL. April 13, 2010.
- ↑ (Portuguese) Jorge, Eliano. "Vox Populi: Serra tem 34%, contra 31% de Dilma". Terra Magazine. April 3, 2010.
- ↑ (Portuguese) EFE "Datafolha põe Serra 9 pontos à frente de Dilma". G1. March 27, 2010.
- ↑ "Brazil’s Rousseff is Becoming a Stronger Contender". Angus Reid Global Monitor. March 31, 2010.
- ↑ (Portuguese) Blog do Noblat. "A terra treme sob os pés de Serra". O Globo. February 27, 2010.
- ↑ "Lula’s Anointed Candidate Gains in Brazil". Angus Reid Global Monitor. March 4, 2010.
- ↑ (Portuguese) Reuters Brasil. "Dilma sobe em intenção de voto; se aproxima de Serra, diz Sensus". O Globo. February 2, 2010.
- ↑ (Portuguese) "Pesquisa mostra queda de Serra em corrida eleitoral". R7. January 29, 2010.
- ↑ "Rousseff Grows, Serra Stable in Brazil". Angus Reid Global Monitor. January 10, 2009.
- ↑ "Serra Maintains Significant Lead in Brazil". Angus Reid Global Monitor. December 10, 2009.
- ↑ (Portuguese) Abreu, Diego. "Serra lidera pesquisa para 2010, mas adversários crescem, diz CNT/Sensus". Globo.com. November 23, 2009. Retrieved on 2009-11-23.
- ↑ (Portuguese) Redação. "Vox Populi: Serra lidera com 36% para 2010; Dilma sobe". Terra. November 11, 2009. Retrieved on 2009-11-14.
- ↑ (Portuguese) Agência Estado. "CNT/Sensus: Serra lidera todas simulações para 2010". Yahoo! Notícias. September 8, 2009. Retrieved on 2009-09-08.
- ↑ (Portuguese) Jornal da Band. "Serra lidera disputa pela Presidência, diz pesquisa". e-BAND. August 18, 2009. Retrieved on 2009-08-23.
- ↑ (Portuguese) Portal G1. "Serra mantém liderança na disputa pela Presidência, mostra Datafolha". Globo.com. August 15, 2009. Retrieved on 2009-08-15.
- ↑ (Portuguese) Lopes, Roberta. "Serra lidera pesquisa Ibope de intenção de voto para 2010". Agência Brasil. June 9, 2009. Retrieved on 2009-08-15.
- 1 2 3 4 (Portuguese) "Intenção de voto para presidente 2010". Datafolha. August 17, 2009. Retrieved on 2009-10-20.
External links
- Results of polls in Brazil at Angus Reid Global Monitor official website
- (Portuguese) Poll tracker at the Supreme Electoral Court official website
- (Portuguese) Poll tracker at UOL Eleições
- (Portuguese) Datafolha polls for the 2010 elections
- (Portuguese) Vox Populi polls for the 2010 elections
- (Portuguese) Results of the CNT/Sensus general search
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