How to interpret this record
U.S. Election Charts & Historical Voting Data
A useful public record has an identity, a scope and a source. Research becomes more reliable when those elements travel with the number or statement being discussed.
Write down the claim first
Identify exactly what you want to know: who holds an office, whether someone appears on a ballot, what a committee reported spending, or how a member voted on a question. Each claim calls for a different source. A biography, a campaign website and a financial report can all be useful without answering the same question.
Keep identity, scope and date together
Record the entity identifier, jurisdiction, election or reporting period and source publication. These details prevent a correct fact from being attached to the wrong person, place or time. A name-only match can be misleading, especially when campaigns or institutions have changed names or when a person has sought several offices.
Read the full researching public records guide →Charts & data
Browse sourced election and representation charts, with the data and definitions behind each view.
One page for every question.
Preview the shape of every dataset before opening its full interactive chart, source notes, and downloads.
Page 1 of 5 · 30 charts
Voting
11 chartsU.S. voter turnout rate, 1964–2024
The share of U.S. adults and citizens who reported voting in every federal election since 1964.
Open chart and data →Estimated number of reported voters in America, 1964–2024
A Census survey estimate of the number of voting-age Americans who reported voting in each federal election.
Open chart and data →U.S. voting-age population, 1964–2024
The Census estimate of U.S. residents age 18 and older in every federal election year since 1964.
Open chart and data →Estimated registered voters in America, 1966–2024
A Census survey estimate of the number of voting-age Americans who reported being registered in each federal election.
Open chart and data →Registered Americans who did not report voting, 1966–2024
The estimated number of voting-age Americans who reported being registered but did not report voting in each federal election.
Open chart and data →U.S. presidential election voter turnout, 1964–2024
The voting-age population share reporting that they voted in every presidential election since 1964.
Open chart and data →What changed around 1971?
Compare wages, housing, inequality, money, and trade across 13 sourced charts.
The charts that explain the electorate.
Each view answers one plain-language question, carries its source and caveats, and opens into a permanent research page.
Explore six featured chart stories
Voter turnout since 1964
In 2024, 59.3% of the voting-age population and 65.3% of citizens reported voting.
Explore the chart →How many Americans voted?
The 2024 CPS implies roughly 154.4 million voting-age people reported voting.
Explore the chart →Turnout by race and ethnicity
In 2024, citizen turnout estimates ranged from 50.6% for Hispanic citizens to 70.5% for White non-Hispanic citizens.
Explore the chart →Which states voted most?
District of Columbia had the highest estimated citizen voting rate in the 2024 Census table at 79.5%.
Explore the chart →America's party identity
Independents reached a record-high 45% of U.S. adults in Gallup's 2025 annual average.
Explore the chart →House seats by party
The 119th Congress began with 220 Republicans and 215 Democrats in the House.
Explore the chart →Every chart begins with a named record.
Electionpedia transforms source data into readable views without hiding definitions, gaps, or methodology.
U.S. Census Bureau, Current Population Survey
Survey estimates of self-reported registration and voting among the voting-age population.
Open the source ↗1917–2027U.S. House of Representatives: History, Art & Archives
Party divisions reflect the results of the election and do not capture later changes during a Congress.
Open the source ↗1917–2027United States Senate Historical Office
Party divisions and caucus notes as published by the Senate.
Open the source ↗1988–2025Gallup
Annual U.S. adult survey averages. Gallup retains ownership of its polling data; charts are credited and linked.
Open the source ↗1917–2027Center for American Women and Politics, Rutgers University
Historical counts of women serving in Congress; historical figures generally reflect the conclusion of each Congress.
Open the source ↗2025–2026 cycleFederal Election Commission bulk data
Federal candidate master records and financial summaries. A filing record does not establish ballot qualification.
Open the source ↗Current sourced rolesOpen States People
CC0 current-role snapshot; party labels and chamber roles are preserved from the source.
Open the source ↗2025 Government Units ListingU.S. Census Bureau
Official entity inventory; it does not establish election method, officeholders, or exact service boundaries.
Open the source ↗2022 federal electionsFederal Election Commission, Federal Elections 2022
Official results compiled by the FEC from state and territory election offices; Election.org calculates margins from published final totals.
Open the source ↗About these records and sources
Six decades of voters. A century of Congress. Party identity, representation, and state-by-state participation—beautifully charted from named sources, with the data underneath every view.
of U.S. adults identified as independent in Gallup's annual average—the highest in its series.
See the party identity chart →30permanent chart stories
9named primary publishers
1917–2025Congressional history
CSV + JSONdata behind every chart