A survey of 1,343 American adults was conducted April 3-8, 2018, via SurveyMonkey Audience, with respondents representative of American households in terms of political ideology, age, region, and income distribution. A data analysis of individual income tax codes in all 50 states and the District of Columbia provide background on the levels of tax complexity and burden for each. These state-level factors are used independently and as an additional cross-tabulation for analyzing survey results.

(pdf download)