Opinion polling for the 2010 Brazilian presidential election
Nationwide

Opinion polling for the 2010 Brazilian presidential election

Section Title: Nationwide
Table Section Text: None

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	39%	51%	—	—	—	10%	12%

October 29–30, 2010	Datafolha	41%	51%	—	—	—	8%	10%

October 28–29, 2010	Sensus	37.6%	50.3%	—	—	—	12%	12.7%

October 28, 2010	Datafolha	40%	50%	—	—	—	10%	10%

October 27–30, 2010	Ibope	40%	52%	—	—	—	8%	12%

October 27, 2010	Datafolha	38%	49%	—	—	—	13%	11%

October 26–28, 2010	Ibope	39%	52%	—	—	—	9%	13%

October 23–25, 2010	Sensus	36.7%	51.9%	—	—	—	11.4%	15.2%

October 23–24, 2010	Vox Populi	38%	49%	—	—	—	13%	11%

October 21, 2010	Datafolha	40%	50%	—	—	—	10%	10%

October 18–19, 2010	Sensus	41,8%	46,8%	—	—	—	11.4%	5%

October 17–20, 2010	Ibope	40%	51%	—	—	—	9%	11%

October 15–17, 2010	Vox Populi	39%	51%	—	—	—	10%	12%

October 14–15, 2010	Datafolha	41%	47%	—	—	—	12%	6%

October 11–13, 2010	Sensus	42.7%	46.8%	—	—	—	10.5%	4.1%

October 11–13, 2010	Ibope	43%	49%	—	—	—	8%	6%

October 10–11, 2010	Vox Populi	40%	48%	—	—	—	12%	8%

October 8, 2010	Datafolha	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	26%	47%	—	—	14%	13%	21%

October 1–2, 2010	Ibope	29%	47%	—	—	16%	8%	18%

October 1–2, 2010	Datafolha	29%	47%	—	—	16%	8%	18%

October 1, 2010	Vox Populi	27%	48%	—	—	12%	13%	21%

September 30, 2010	Vox Populi	26%	49%	—	—	12%	13%	23%

September 29, 2010	Vox Populi	26%	49%	—	—	12%	13%	23%

September 28–29, 2010	Datafolha	28%	47%	—	—	14%	11%	19%

September 28, 2010	Vox Populi	25%	49%	—	—	12%	14%	24%

September 27, 2010	Datafolha	28%	46%	—	—	14%	12%	18%

September 27, 2010	Vox Populi	24%	49%	—	—	13%	14%	25%

September 26–28, 2010	Sensus	25.6%	47.5%	—	—	11.6%	15.3%	21.9%

September 26, 2010	Vox Populi	24%	49%	—	—	12%	15%	25%

September 25–26, 2010	Ibope	27%	50%	—	—	13%	10%	23%

September 25, 2010	Vox Populi	23%	50%	—	—	11%	16%	27%

September 24, 2010	Vox Populi	24%	50%	—	—	10%	16%	26%

September 23, 2010	Vox Populi	24%	51%	—	—	10%	15%	27%

September 22, 2010	Vox Populi	24%	51%	—	—	10%	15%	27%

September 21–23, 2010	Ibope	28%	50%	—	—	12%	10%	22%

September 21–22, 2010	Datafolha	28%	49%	—	—	13%	10%	21%

September 21, 2010	Vox Populi	25%	52%	—	—	9%	14%	27%

September 20, 2010	Vox Populi	23%	53%	—	—	9%	15%	30%

September 19, 2010	Vox Populi	24%	53%	—	—	9%	14%	29%

September 18, 2010	Vox Populi	24%	51%	—	—	9%	16%	27%

September 17, 2010	Vox Populi	23%	51%	—	—	9%	17%	28%

September 16, 2010	Vox Populi	23%	51%	—	—	9%	17%	28%

September 15, 2010	Vox Populi	22%	52%	—	—	9%	17%	30%

September 14–17, 2010	Ibope	25%	51%	—	—	11%	13%	26%

September 14, 2010	Vox Populi	22%	53%	—	—	8%	17%	31%

September 13–15, 2010	Datafolha	27%	51%	—	—	11%	11%	24%

September 13, 2010	Vox Populi	22%	54%	—	—	8%	16%	32%

September 12, 2010	Vox Populi	23%	53%	—	—	9%	15%	30%

September 11, 2010	Vox Populi	23%	52%	—	—	9%	16%	29%

September 10–12, 2010	Sensus	26.4%	50.5%	—	—	8.9%	14.2%	24.1%

September 10, 2010	Vox Populi	22%	53%	—	—	9%	16%	31%

September 9, 2010	Vox Populi	21%	53%	—	—	9%	17%	32%

September 8–9, 2010	Datafolha	27%	50%	—	—	11%	12%	23%

September 8, 2010	Vox Populi	21%	54%	—	—	9%	15%	33%

September 7, 2010	Vox Populi	21%	56%	—	—	8%	15%	35%

September 6, 2010	Vox Populi	22%	55%	—	—	8%	15%	33%

September 5, 2010	Vox Populi	24%	53%	—	—	8%	15%	29%

September 4, 2010	Vox Populi	24%	53%	—	—	8%	15%	29%

September 3, 2010	Vox Populi	24%	52%	—	—	8%	16%	28%

September 2–3, 2010	Datafolha	28%	50%	—	—	10%	12%	22%

September 2, 2010	Vox Populi	25%	51%	—	—	9%	15%	26%

September 1, 2010	Vox Populi	25%	51%	—	—	9%	15%	26%

August 31-September 2, 2010	Ibope	27%	51%	—	—	8%	14%	24%

August 24–26, 2010	Ibope	27%	51%	—	—	7%	15%	24%

August 23–24, 2010	Datafolha	29%	49%	—	—	9%	13%	20%

August 20–22, 2010	Sensus	28.1%	46%	—	—	8.1%	17.8%	17.9%

August 20, 2010	Datafolha	30%	47%	—	—	9%	14%	17%

August 12–15, 2010	Ibope	32%	43%	—	—	8%	17%	11%

August 9–12, 2010	Datafolha	33%	41%	—	—	10%	16%	8%

August 7–10, 2010	Vox Populi	29%	45%	—	—	8%	18%	16%

August 2–5, 2010	Ibope	34%	39%	—	—	8%	19%	5%

July 31-August 2, 2010	Sensus	31.6%	41.6%	—	—	8.5%	18.3%	10%

July 26–29, 2010	Ibope	34%	39%	—	—	7%	19%	5%

July 20–23, 2010	Datafolha	37%	36%	—	—	10%	17%	1%

July 17–20, 2010	Vox Populi	33%	41%	—	—	8%	17%	8%

June 30-July 1, 2010	Datafolha	39%	38%	—	—	10%	12%	1%

June 27–30, 2010	Ibope	39%	39%	—	—	10%	13%	Tie

June 24–26, 2010	Vox Populi	35%	40%	—	—	8%	17%	5%

June 19–21, 2010	Ibope	35%	40%	—	—	9%	16%	5%

May 31-June 3, 2010	Ibope	37%	37%	—	—	9%	17%	Tie

May 20–21, 2010	Datafolha	37%	37%	—	—	12%	14%	Tie

May 10–14, 2010	Sensus	33.2%	35.7%	—	—	8%	17.3%	2.5%

May 8–13, 2010	Vox Populi	35%	38%	—	—	7%	22%	3%

April 15–16, 2010	Datafolha	38%	28%	9%	—	10%	15%	10%

April 13–16, 2010	Ibope	36%	29%	8%	—	8%	19%	7%

April 5–9, 2010	Sensus	32.7%	32.4%	10.1%	—	8.1%	16.7%	0.3%

March 30–31, 2010	Vox Populi	34%	31%	10%	—	5%	20%	3%

March 25–26, 2010	Datafolha	36%	27%	11%	—	8%	18%	9%

March 6–10, 2010	Ibope	35%	30%	11%	—	6%	18%	5%

February 24–25, 2010	Datafolha	32%	28%	12%	—	8%	19%	4%

February 6–9, 2010	Ibope	36%	25%	11%	—	8%	20%	11%

January 25–29, 2010	Sensus	33.2%	27.8%	11.9%	—	6.8%	20.3%	5.4%

January 14–17, 2010	Vox Populi	34%	27%	11%	—	9%	19%	7%

December 14–18, 2009	Datafolha	37%	23%	13%	—	8%	19%	14%

November 26–30, 2009	Ibope	38%	17%	13%	—	6%	25%	21%

November 23, 2009	Sensus	31.8%	21.7%	17.5%	—	5.9%	23.1%	10.1%

November 11, 2009	Vox Populi	36%	19%	13%	6%	3%	23%	17%

September 8, 2009	Sensus	39.5%	19%	—	9.7%	4.8%	27%	20.5%

August 18, 2009	Vox Populi	30%	21%	17%	12%	—	20%	9%

August 16, 2009	Datafolha	38%	17%	14%	12%	3%	18%	21%

June 9, 2009	Ibope	38%	18%	12%	7%	—	25%	20%

May 28, 2009	Datafolha	38%	16%	15%	10%	—	21%	22%

March 19, 2009	Datafolha	41%	11%	16%	11%	—	21%	25%

November 28, 2008	Datafolha	41%	8%	15%	14%	—	21%	26%

March 27, 2008	Datafolha	38%	3%	20%	14%	—	25%	18%

Sentence(s)

Dilma Rousseff received 46.9% of the first-round vote.

final_sentence: Dilma Rousseff received 46.9% of the first-round vote.