Selected randomly from Iowa caucusgoers as they entered precincts
Method of interview
Questionnaire
Supplementary notes
The National Election Pool is a consortium of ABC News, Associated Press, CBS News, CNN, Fox News and NBC News.
Percentage points may not total 100 percent as the sample size for some groups may be too small for estimates within those groups to be projectable with confidence.
The graph shows only candidates that could collect at least one percent of votes in at least one group.
Citation formats
Iowa Democratic caucus entry polls: votes by most important issue 2020
According to entry polls conducted at the 2020 Democratic Party Iowa caucuses, support for Bernie Sanders and Pete Buttigieg was tied among voters who identified health care as the most important issue with ** percent each. Given the candidates hold opposite views regarding a single-payer, government funded healthcare system, the equal levels of support likely indicates underlying division over this policy.
The Iowa caucuses were held on *, and are the first contest in the primaries for the Democratic Party to choose their candidate for the 2020 U.S. presidential election.
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CNN. (February 3, 2020). Entry polls of the 2020 Iowa Democratic caucus in the United States on February 3, 2020, share of votes by most important issue [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/1093975/iowa-democratic-caucus-2020-entry-polls-votes-by-most-important-issue/
CNN. "Entry polls of the 2020 Iowa Democratic caucus in the United States on February 3, 2020, share of votes by most important issue." Chart. February 3, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/1093975/iowa-democratic-caucus-2020-entry-polls-votes-by-most-important-issue/
CNN. (2020). Entry polls of the 2020 Iowa Democratic caucus in the United States on February 3, 2020, share of votes by most important issue. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/1093975/iowa-democratic-caucus-2020-entry-polls-votes-by-most-important-issue/
CNN. "Entry Polls of The 2020 Iowa Democratic Caucus in The United States on February 3, 2020, Share of Votes by Most Important Issue." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 3 Feb 2020, /statistics/1093975/iowa-democratic-caucus-2020-entry-polls-votes-by-most-important-issue/
CNN, Entry polls of the 2020 Iowa Democratic caucus in the United States on February 3, 2020, share of votes by most important issue ÌÇÐÄÆƽâ°æ, /statistics/1093975/iowa-democratic-caucus-2020-entry-polls-votes-by-most-important-issue/ (last visited July 26, 2026)
Entry polls of the 2020 Iowa Democratic caucus in the United States on February 3, 2020, share of votes by most important issue [Graph], CNN, February 3, 2020. [Online]. Available: /statistics/1093975/iowa-democratic-caucus-2020-entry-polls-votes-by-most-important-issue/
