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Elections Performance Index

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1 to 10 of 60 Results

Replication Data for: Audits of the 2020 American Election Show an Accurate Vote Count Mar 29, 2025 Samuel Baltz, Fernanda Gonzalez, Kevin Guo, Jacob Jaffe, and Charles Stewart III, 2025, "Replication Data for: Audits of the 2020 American Election Show an Accurate Vote Count", https://doi.org/10.7910/DVN/ZJAVZD, Harvard Dataverse, V2, UNF:6:1hxtuiz7j49IyBeBVQ3uTw== [fileUNF] This dataset contains full replication code and data for the paper "Audits of the 2020 American Election Show an Accurate Vote Count"
Election Night Returns 2024 Mar 15, 2025 MIT Election Data and Science Lab, 2025, "Election Night Returns 2024", https://doi.org/10.7910/DVN/2CKSIK, Harvard Dataverse, V2, UNF:6:6tuYl4Vh+hb75rg2ykepig== [fileUNF] This data release includes Election Night Reporting at two levels (state and regional vote totals) from November 5, 2024, and the days and weeks after. The data are from the Edison feed, acquired through CNN by the MIT Election Data and Science Lab. See the readme file for more information.
County Presidential Election Returns 2000-2020 Sep 4, 2024 - U.S. Presidential Elections MIT Election Data and Science Lab, 2018, "County Presidential Election Returns 2000-2020", https://doi.org/10.7910/DVN/VOQCHQ, Harvard Dataverse, V13, UNF:6:GILlTHRWH0LbH2TItBsb2w== [fileUNF] This dataset contains county-level returns for presidential elections from 2000 to 2020.
Precinct-Level Returns 2020 by Individual State Jun 5, 2024 - 2020 precinct data MIT Election Data and Science Lab, 2022, "Precinct-Level Returns 2020 by Individual State", https://doi.org/10.7910/DVN/NT66Z3, Harvard Dataverse, V6, UNF:6:aViWPnsxmDD+s1GuFrrdpA== [fileUNF] This dataset contains precinct-level returns, state by state, for state and federal elections on November 3, 2020.
U.S. President 1976–2020 May 29, 2024 - U.S. Presidential Elections MIT Election Data and Science Lab, 2017, "U.S. President 1976–2020", https://doi.org/10.7910/DVN/42MVDX, Harvard Dataverse, V8, UNF:6:F0opd1IRbeYI9QyVfzglUw== [fileUNF] This data file contains constituency (state-level) returns for elections to the U.S. presidency from 1976 to 2020.
EPI Full Reproduction Files 2008 - 2022 Mar 22, 2024 - Elections Performance Index MIT Election Data and Science Lab, 2020, "EPI Full Reproduction Files 2008 - 2022", https://doi.org/10.7910/DVN/9UF1ZM, Harvard Dataverse, V10, UNF:6:l6eEnXgMzj0cN8IjOvwwEA== [fileUNF] The data and updates for the 2008 - 2022 release of the Elections Performance Index.
Elections Performance Index 2022 Mar 21, 2024 - Elections Performance Index MIT Election Data and Science Lab, 2024, "Elections Performance Index 2022", https://doi.org/10.7910/DVN/Z1BAQD, Harvard Dataverse, V1, UNF:6:dxGRcmvXNFZDX4d4H7FnGQ== [fileUNF] This dataset contains the indicator values for the 2022 Elections Performance Index
U.S. House 1976–2022 Mar 8, 2024 - U.S. House Elections MIT Election Data and Science Lab, 2017, "U.S. House 1976–2022", https://doi.org/10.7910/DVN/IG0UN2, Harvard Dataverse, V13, UNF:6:Ky5FkettbvohjTSN/IVldA== [fileUNF] This data file contains constituency (district) returns for elections to the U.S. House of Representatives from 1976 to 2022.
U.S. Senate statewide 1976–2020 Nov 27, 2023 - U.S. Senate Elections MIT Election Data and Science Lab, 2017, "U.S. Senate statewide 1976–2020", https://doi.org/10.7910/DVN/PEJ5QU, Harvard Dataverse, V7, UNF:6:NFZ83YH7C/fCm6x0stmMwA== [fileUNF] This data file contains constituency (state-level) returns for elections to the U.S. Senate from 1976 to 2020.
U.S. Senate county-level results 2022 Sep 20, 2023 - U.S. Senate Elections MIT Election Data and Science Lab, 2023, "U.S. Senate county-level results 2022", https://doi.org/10.7910/DVN/YB60EJ, Harvard Dataverse, V3, UNF:6:bTKVoxZCrClg9pqtRfqg0w== [fileUNF] U.S. Senate election results at the county level, 2022. Dataset created by Fernanda Gonzalez, Samuel Baltz, and Charles Stewart III for the MIT Election Data and Science Lab.

Replication Data for: Audits of the 2020 American Election Show an Accurate Vote Count

Mar 29, 2025

Samuel Baltz, Fernanda Gonzalez, Kevin Guo, Jacob Jaffe, and Charles Stewart III, 2025, "Replication Data for: Audits of the 2020 American Election Show an Accurate Vote Count", https://doi.org/10.7910/DVN/ZJAVZD, Harvard Dataverse, V2, UNF:6:1hxtuiz7j49IyBeBVQ3uTw== [fileUNF]

This dataset contains full replication code and data for the paper "Audits of the 2020 American Election Show an Accurate Vote Count"

Election Night Returns 2024

Mar 15, 2025

MIT Election Data and Science Lab, 2025, "Election Night Returns 2024", https://doi.org/10.7910/DVN/2CKSIK, Harvard Dataverse, V2, UNF:6:6tuYl4Vh+hb75rg2ykepig== [fileUNF]

This data release includes Election Night Reporting at two levels (state and regional vote totals) from November 5, 2024, and the days and weeks after. The data are from the Edison feed, acquired through CNN by the MIT Election Data and Science Lab. See the readme file for more information.

County Presidential Election Returns 2000-2020

Sep 4, 2024 - U.S. Presidential Elections

MIT Election Data and Science Lab, 2018, "County Presidential Election Returns 2000-2020", https://doi.org/10.7910/DVN/VOQCHQ, Harvard Dataverse, V13, UNF:6:GILlTHRWH0LbH2TItBsb2w== [fileUNF]

This dataset contains county-level returns for presidential elections from 2000 to 2020.

Precinct-Level Returns 2020 by Individual State

Jun 5, 2024 - 2020 precinct data

MIT Election Data and Science Lab, 2022, "Precinct-Level Returns 2020 by Individual State", https://doi.org/10.7910/DVN/NT66Z3, Harvard Dataverse, V6, UNF:6:aViWPnsxmDD+s1GuFrrdpA== [fileUNF]

This dataset contains precinct-level returns, state by state, for state and federal elections on November 3, 2020.

U.S. President 1976–2020

May 29, 2024 - U.S. Presidential Elections

MIT Election Data and Science Lab, 2017, "U.S. President 1976–2020", https://doi.org/10.7910/DVN/42MVDX, Harvard Dataverse, V8, UNF:6:F0opd1IRbeYI9QyVfzglUw== [fileUNF]

This data file contains constituency (state-level) returns for elections to the U.S. presidency from 1976 to 2020.

EPI Full Reproduction Files 2008 - 2022

Mar 22, 2024 - Elections Performance Index

MIT Election Data and Science Lab, 2020, "EPI Full Reproduction Files 2008 - 2022", https://doi.org/10.7910/DVN/9UF1ZM, Harvard Dataverse, V10, UNF:6:l6eEnXgMzj0cN8IjOvwwEA== [fileUNF]

The data and updates for the 2008 - 2022 release of the Elections Performance Index.

Elections Performance Index 2022

Mar 21, 2024 - Elections Performance Index

MIT Election Data and Science Lab, 2024, "Elections Performance Index 2022", https://doi.org/10.7910/DVN/Z1BAQD, Harvard Dataverse, V1, UNF:6:dxGRcmvXNFZDX4d4H7FnGQ== [fileUNF]

This dataset contains the indicator values for the 2022 Elections Performance Index

U.S. House 1976–2022

Mar 8, 2024 - U.S. House Elections

MIT Election Data and Science Lab, 2017, "U.S. House 1976–2022", https://doi.org/10.7910/DVN/IG0UN2, Harvard Dataverse, V13, UNF:6:Ky5FkettbvohjTSN/IVldA== [fileUNF]

This data file contains constituency (district) returns for elections to the U.S. House of Representatives from 1976 to 2022.

U.S. Senate statewide 1976–2020

Nov 27, 2023 - U.S. Senate Elections

MIT Election Data and Science Lab, 2017, "U.S. Senate statewide 1976–2020", https://doi.org/10.7910/DVN/PEJ5QU, Harvard Dataverse, V7, UNF:6:NFZ83YH7C/fCm6x0stmMwA== [fileUNF]

This data file contains constituency (state-level) returns for elections to the U.S. Senate from 1976 to 2020.

U.S. Senate county-level results 2022

Sep 20, 2023 - U.S. Senate Elections

MIT Election Data and Science Lab, 2023, "U.S. Senate county-level results 2022", https://doi.org/10.7910/DVN/YB60EJ, Harvard Dataverse, V3, UNF:6:bTKVoxZCrClg9pqtRfqg0w== [fileUNF]

U.S. Senate election results at the county level, 2022. Dataset created by Fernanda Gonzalez, Samuel Baltz, and Charles Stewart III for the MIT Election Data and Science Lab.

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