% of adults in Iowa who identify as…
|Views about human evolution||Republican/lean Rep.||No lean||Democrat/lean Dem.||Sample size|
|Evolved; due to natural processes||23%||18%||60%||103|
|Always existed in present form||58%||12%||30%||101|
Sample sizes and margins of error vary from subgroup to subgroup, from year to year and from state to state. You can see the sample size for the estimates in this chart on rollover or in the last column of the table. And visit this table
to see approximate margins of error for a group of a given size. Readers should always bear in mind the approximate margin of error for the group they are examining when making comparisons with other groups or assessing the significance of trends over time. For full question wording, see the survey questionnaire
Learn More: Republican/lean Rep., Democrat/lean Dem.