10.7910/DVN/AP54NE Shor, Boris Boris Shor https://orcid.org/0000-0002-4983-0166 University of Houston Harvard Dataverse 2020 Social Sciences Shor, Boris Boris Shor University of Houston 2020-07-03 2020-07-03 10.1017/S0003055411000153 10.7910/DVN/AP54NE/TEQRZQ 10.7910/DVN/AP54NE/0LHXUH 10.7910/DVN/AP54NE/QAATNP 1278615 41685 437821 application/pdf application/pdf text/tab-separated-values 1.0 Creative Commons CC0 1.0 Universal Public Domain Dedication. This version of the Shor-McCarty state legislative aggregate ideology data is being released as an update to the data underlying Shor and McCarty 2011. These are based on individual-level ideal point estimates described fully in that article. Estimates are all in Shor-McCarty NPAT common ideological space to facilitate explicit comparisons across time and between states. The data spans 1993 through 2018, with 2,268 chamber-years of data (compared with 2,025 in the previous release).