2014年巴西大选
总统选举 > 民意调查

第一轮
| 日期 | 调查来源 | 候选人> 罗塞夫 (PT) | 候选人> 内韦斯 (PSDB) | 候选人> 席尔瓦 (PSB) | 候选人> 埃韦拉尔多 (PSC) | 候选人> 根罗 (PSOL) | 候选人> 其他 | 无 | 不知 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 03-04/10/2014 | Datafolha | 40% | 24% | 22% | 1% | 1% | 1% | 4% | 5% |

| 29-30/09/2014 | Datafolha | 40% | 20% | 25% | 1% | 1% | 1% | 5% | 5% |
| 27-29/09/2014 | Ibope | 39% | 19% | 25% | 1% | 1% | <1% | 7% | 7% |
| 20-22/09/2014 | Ibope | 38% | 19% | 29% | 1% | <1% | <1% | 7% | 5% |
| 20-21/09/2014 | Vox Populi | 40% | 17% | 22% | 1% | 1% | 0% | 6% | 12% |
| 17-18/09/2014 | Datafolha | 37% | 17% | 30% | 1% | 1% | 1% | 7% | 6% |
| 13-15/09/2014 | Ibope | 36% | 19% | 30% | 1% | <1% | <1% | 7% | 6% |
| 13-14/09/2014 | Vox Poluli | 36% | 15% | 27% | 1% | 1% | 0% | 8% | 12% |
| 08-09/09/2014 | Datafolha | 36% | 15% | 33% | 1% | 1% | 1% | 6% | 7% |
| 05-08/09/2014 | CNI/Ibope | 39% | 15% | 31% | 1% | <1% | <1% | 8% | 5% |
| 1-03/09/2014 | Datafolha | 35% | 14% | 34% | 1% | 1% | <1% | 6% | 7% |
| 31-02/09/2014 | Ibope | 37% | 15% | 33% | 1% | 0% | <1% | 7% | 5% |
| 28-29/08/2014 | Datofolha | 34% | 15% | 34% | 2% | <1% | <1% | 7% | 7% |
| 21-24/08/2014 | CNT/MDA | 34.2% | 16% | 28.2% | 1,3% | 0,3% | 0,9% | 8,7% | 10,4% |
| 23-25/08/2014 | Ibope | 34% | 19% | 29% | 1% | 1% | 1% | 7% | 8% |
| 14-15/08/2014 | Datafolha | 36% | 20% | 21% | 3% | 0% | 2% | 8% | 9% |
13/08/2014: 爱德华多·坎波斯身亡，玛丽娜·席尔瓦成为社会党（PSB）候选人
| 03-06/08/2014 | Ibope | 38% | 23% | 9% | 3% | 1% | 2% | 13% | 11% |
| 18-21/07/2014 | Ibope | 38% | 22% | 8% | 3% | 1% | 3% | 16% | 9% |
| 15-16/07/2014 | Datafolha | 36% | 20% | 8% | 3% | 1% | 4% | 13% | 14% |
| 01-02/07/2014 | Datafolha | 38% | 20% | 9% | 4% | 1% | 4% | 13% | 11% |
| 13-15/06/2014 | Ibope | 39% | 21% | 10% | 3% | 0% | 3% | 13% | 18% |
| 04-07/06/2014 | Ibope | 38% | 22% | 13% | 3% | 0% | 2% | 13% | 7% |
| 03-05/06/2014 | Datafolha | 34% | 19% | 7% | 4% | 0% | 3% | 17% | 13% |
| 31/05-01/06/2014 | Vox Populi | 40% | 21% | 8% | 2% | 0% | 1% | 14% | 14% |
| 15-19/05/2014 | Ibope | 40% | 20% | 11% | 3% | 0% | 2% | 14% | 10% |
| 07-08/05/2014 | Datafolha | 37% | 20% | 11% | 3% | 1% | 2% | 16% | 8% |
| 10-14/04/2014 | Ibope | 37% | 14% | 6% | 2% | 1% | 1% | 24% | 13% |
| 06-08/04/2014 | Vox Pouli | 40% | 16% | 8% | 2% | 0% | 0% | 15% | 18% |
| 02-03/04/2014 | Datafolha | 38% | 16% | 10% | 2% | 0% | 4% | 20% | 9% |
| 13-17/03/2014 | Ibope | 40% | 13% | 6% | 3% | 1% | 0% | 24% | 12% |
| 19-20/02/2014 | Datafolha | 44% | 16% | 9% | 3% | 0% | 2% | 19% | 7% |
| 13-15/02/2014 | Vox Populi | 41% | 17% | 6% | 0% | 0% | 0% | 20% | 15% |
第二轮
迪尔玛 vs. 玛丽娜
| 日期 | 调查来源 | 候选人> 迪尔玛·罗塞夫 (PT) | 候选人> 玛丽娜·席尔瓦 (PSB) | 无 | 不知 |
| --- | --- | --- | --- | --- | --- |
| 29-30/09/2014 | Datafolha | 49% | 41% |  |  |
| 27-29/09/2014 | Ibope | 42% | 38% |  |  |
| 25-26/09/2014 | Datafolha | 47% | 43% |  |  |
| 20-22/09/2014 | Ibope | 41% | 41% | 12% | 6% |
| 20-21/09/2014 | Vox Populi | 46% | 39% | 9% | 6% |
| 17-18/09/2014 | Datafolha | 44% | 46% | 7% | 3% |
| 13-15/09/2014 | Ibope | 40% | 43% | 11% | 6% |
| 13-14/09/2014 | Vox Populi | 41% | 42% | 11% | 6% |
| 08-09/09/2014 | Datafolha | 43% | 47% | 6% | 4% |
| 01-03/09/2014 | CNI/Ibope | 42% | 43% | 6% | 5% |
| 01-03/09/2014 | Datafolha | 41% | 48% | 6% | 5% |
| 31-02/09/2014 | Ibope | 39% | 46% | 8% | 6% |
| 28-29/08/2014 | Datafolha | 40% | 50% | 7% | 4% |
| 21-24/08/2014 | CNT/MDA | 37.8% | 43.7 |  |  |
| 23-25/08/2014 | Ibope | 36% | 45% | 9% | 11% |
迪尔玛 vs. 阿埃西奥
| 日期 | 调查来源 | 候选人> 迪尔玛·罗塞夫 (PT) | 候选人> 阿埃西奥·内韦斯 (PSDB) | 无 | 不知 |
| --- | --- | --- | --- | --- | --- |
| 29-30/09/2014 | Datafolha | 50% | 41% |  |  |
| 27-29/09/2014 | Ibope | 45% | 35% |  |  |
| 25-26/09/2014 | Datafolha | 50% | 39% | 8% | 4% |
| 20-22/09/2014 | Ibope | 46% | 35% | 13% | 7% |
| 20-21/09/2014 | Vox Populi | 49% | 34% | 10% | 7% |
| 17-18/09/2014 | Datafolha | 49% | 39% | 8% | 4% |
| 13-15/09/2014 | Ibope | 44% | 37% | 12% | 6% |
| 13-14/09/2014 | Vox Populi | 47% | 36% | 12% | 5% |
| 01-03/09/2014 | Datafolha | 49% | 38% | 10% | 4% |
| 31-02/09/2014 | Ibope | 47% | 41% | 11% | 8% |
| 28-29/08/2014 | Datafolha | 48% | 40% | 9% | 4% |
| 21-24/08/2014 | CNT/MDA  | 43% | 33.3% |  |  |
| 23-25/08/2014 | Ibope | 41% | 35% | 12% | 12% |
| 08/08/2014 | Ibope | 42% | 35% |  |  |
玛丽娜 vs. 阿埃西奥
| 日期 | 调查来源 | 候选人> 玛丽娜·席尔瓦 (PSB) | 候选人> 阿埃西奥·内韦斯 (PSDB) | 无 | 不知 |
| --- | --- | --- | --- | --- | --- |
| 20-22/09/2014 | Ibope | 44% | 31% | 16% | 9% |
| 13-15/09/2014 | Ibope | 48% | 30% | 15% | 8% |
| 01-03/09/2014 | Datafolha | 56% | 28% | 10% | 6% |