Opinion polling for the 2018 Brazilian presidential election

Since the previous elections, various polling companies have published surveys tracking voting intention for the 2018 Brazilian general election. The results of these surveys are listed below in reverse chronological order and include parties whose candidates frequently poll above 3% of the vote as well as the incumbent President of Brazil Michel Temer.

Presidential election First round Graphical summary

2018 July–Oct

Polling firm/link Date(s)administered Samplesize Haddad Gomes Silva Meirelles Dias Alckmin Amoêdo Bolsonaro Notaffiliated OthersAbst.Undec.7 October Resultsof the first round – 29.3% 12.5% 1.0% 1.2% 0.8% 4.8% 2.5% 46.0% – 1.9%1.9%Instituto Veritá 2–5 October 20185,20818.8%8.4%1.4%0.8%1.0%4.2%2.9%41.5%_2.0%19.0%CNT/MDA4–5 October 20182,00224.0%9.9%2.2%1.6%1.7%5.8%2.3%36.7%_1.9%13.8%DataPoder3603–4 October 20184,00025%15%2%3%4%7%2%30%5%7%Datafolha3–4 October 201819,55222%13%3%2%2%7%3%36%_2%10%XP/Ipespe3–4 October 20182,00022%11%4%2%2%7%3%36%–1%12%Datafolha3–4 October 201810,93022%11%4%2%2%8%3%35%–2%11%RealTime Big Data3–4 October 201810,00024%12%4%1%1%6%2%34%–1%15%Paraná Pesquisas/Crusoé 2–4 October 20182,08021.8%9.4%3.5%1.7%1.4%7.4%3.1%34.9%–2.1%14.7%Ibope1–2 October 20183,01022%11%3%2%1%7%2%36%–4%12%Ibope1–2 October 20183,01023%10%4%2%1%7%2%32%–2%17%Datafolha29–30 September 20183,24021%11%4%2%2%9%3%32%–2%13%Ibope29–30 September 20183,01021%11%4%2%2%8%3%31%–1%17%FSB Pesquisa29–30 September 20182,00024%9%4%2%2%11%5%31%–1%12%CNT/MDA 27–28 September 20182,00025.2%9.4%2.6%2.0%1.7%7.3%2.0%28.2%1.6%20.0%Datafolha26–28 September 20189,00022%11%5%2%2%10%3%28%–3%15%XP/Ipespe24–26 September 20182,00021%11%5%2%2%8%3%28%–3%17%Paraná Pesquisas/Crusoé23–25 September 20182,02020.2%10.1%4.3%1.3%1.9%7.6%3.8%31.2%–1.4%18.2%Ibope22–24 September 20182,00021%12%6%2%2%8%3%27%–1%18%IstoÉ/Sensus21–24 September 20182,00024.5%7.7%2.7%1.6%1.7%5.6%1.9%30.6%–1.3%22.4%FSB Pesquisa22–23 September 20182,00023%10%5%3%2%8%3%33%–1%13%Ibope22–23 September 20182,50622%11%5%2%2%8%3%28%–1%18%DataPoder36019–20 September 20184,00022%14%4%3%3%6%1%26%–5%15%Datafolha18–19 September 20188,60116%13%7%2%3%9%3%28%–2%17%Genial Investimentos/Brasilis 17–19 September 20181,00017%7%6%3%4%7%5%30%–4%18%XP/Ipespe17–19 September 20182,00016%11%6%2%3%7%3%28%–1%23%Ibope16–18 September 20182,50619%11%6%2%2%7%2%28%–1%21%FSB Pesquisa15–16 September 20182,00016%14%5%2%2%6%4%33%–2%16%CNT/MDA12–15 September 20182,00217.6%10.8%4.1%1.7%1.9%6.1%2.8%28.2%–1.1%25.7%Datafolha13–14 September 20182,82013%13%8%3%3%9%3%26%–3%19%XP/Ipespe10–12 September 20182,00010%12%8%2%4%9%4%26%–2%23%Paraná Pesquisas/Crusoé7–11 September 20182,0108.3%11.9%10.6%2.4%3.7%8.7%3.3%26.6%–2.7%21.8%Datafolha10 September 20182,8049%13%11%3%3%10%3%24%–3%22%Ibope8–10 September 20182,0028%11%9%3%3%9%3%26%–2%26%FSB Pesquisa8–9 September 20182,0008%12%8%3%3%8%3%30%–2%24%RealTime Big Data7–9 September 20183,2007%11%11%2%4%9%3%25%–2%26% On 6 September 2018, Jair Bolsonaro was stabbed while he was campaigning in Juiz de Fora, Minas Gerais.XP/Ipespe3–5 September 20182,0008%11%11%1%4%9%4%23%2%27%Ibope1–3 September 20182,0026%12%12%2%3%9%3%22%–3%28%FSB Pesquisa1–2 September 20182,0006%12%11%1%3%8%4%26%–2%28%

Apr–Aug