This tool tracks the average amount of support for presidential candidates each month (nationwide or by state), as well as polling data for U.S. House, U.S. Senate and governor races.
This collection of voter polling data collected by political analysis site 538 tracks voter opinion of Kamala Harris.
This collection of voter polling data collected by political analysis site 538 tracks Americans' opinions of Donald Trump from Feb. 2021 to present.
This dataset from the political analysis site is based on "generic" polls, which ask people which party they would support in a general election.