Data – Center for Effective Lawmaking

Download the Data

Available:
Legislative Effectiveness Data from 93rd-110th Congress (1973-2008).

These are the data that served as the foundation for the analysis in
Legislative Effectiveness in the United States Congress: The Lawmakers.

Available:
Download all House data from 1973-2022 (including Classic Legislative Effectiveness Scores).

Available:
Download all Senate data from 1973-2022 (including Classic Legislative Effectiveness Scores).

Available:
Download House data for 117^th Congress (using LES 2.0, including bills incorporated in other laws).

Available:
Download Senate data for 117^th Congress (using LES 2.0, including bills incorporated in other laws).

Available:
Download State Legislative Effectiveness Scores (through 2018)

These are the data that served as the foundation for the analysis in
Legislative Effectiveness in the American States.