Contains more than 832,000 Americans' responses to the "most important problem" question from 1939-2015. Contains individual-level responses (from over 670 surveys totaling almost a million respondents) to the MIP question, in addition to demographics, partisan preferences (including vote intention, previous vote, ideology and party identification), approval (general approval and approval of specific policies), economic evaluations (both retrospective and prospective, personal and national), and party competency (best party to address MIP, best party to address specific problems). Most Important Problem (MIPD) Aggregate: This dataset contains the aggregate percentage (weighted by population weights, if available) of respondents identifying that problem as the MIP. These aggregate data are available monthly, quarterly, and annually. Most Important Problem (MIPD) Annual: Annual dataset for the percentage of Americans identifying various categories as the "most important problem" facing the country today.
