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2012: For whom did you vote for President of the United States? 2016: In 2012, who did you vote for in the election for President? [see guide for wording in all years]
Asked of: Respondents who reported voting for president (asked post-election and in later years)
2012 presidential vote choice · Asked in 5 waves, 2012–2016 · 155,849 responses · weighted estimates computed from individual responses
Harmonized across years by the Cumulative CES Common Content (Kuriwaki); response options are collapsed where years differ. See docs/sources/ces.md. "Undervote" is flagged as a non-answer, not a vote choice: in 2025, a recall of the 2024 vote with no turnout question to screen out non-voters, about 28% of answers are Undervote (under 1% in 2024), so in that year it evidently includes people who did not vote.
Shares of people who gave an answer. Each column is one wave, evenly spaced rather than to scale in time; hover for exact shares.
Shares of people who gave an answer. A group’s column is left blank in waves where its effective sample is under 50; hover for exact shares.
| Group | Barack Obama | Mitt Romney | Other | n | MoE | |
|---|---|---|---|---|---|---|
| All respondents | 56% | 42% | 3% | 48539 | ±0.6 | |
| Democrats |
| Poll | Field dates | Mode | Respondents | Responses |
|---|---|---|---|---|
| Cooperative Congressional Election Study 2016 | 2016-09-28 to 2016-11-07 | web | 64,600 | 48,539 |
| Cooperative Congressional Election Study 2015 | 2015-11-06 to 2015-12-03 | web | 14,250 | 12,105 |
| Cooperative Congressional Election Study 2014 | 2014-10-01 to 2014-11-03 | web | 56,200 | 42,855 |
| Cooperative Congressional Election Study 2013 | 2013-11-06 to 2013-12-03 | web | 16,400 | 12,796 |
| Cooperative Congressional Election Study 2012 | 2012-10-01 to 2012-11-05 | web | 54,535 | 39,554 |
| 96% |
| 4% |
| 1% |
| 19983 |
| ±1 |
| Independents (incl. leaners) | 47% | 46% | 7% | 15808 | ±1 |
| Republicans | 10% | 89% | 2% | 12379 | ±1 |
Cooperative Congressional Election Study 2016 · US adults 18+ (YouGov opt-in panels, sample-matched to an ACS frame and weighted). Shares of people who gave an answer. n is unweighted; ± is the 95% margin of error at 50% from the weighted effective sample. Groups with an effective sample under 50 are grayed; under 20, hidden.