Individual State Legislator Shor-McCarty Ideology Data, July 2014 update

The Shor-McCarty state legislator ideology data is being released as an update to the data underlying Shor and McCarty 2011. The new data features 20,198 unique state legislators. The ideology measures are based on individual-level ideal point estimates described fully in that article. Measures are all in NPAT common ideological space to facilitate explicit comparisons across time and between and within states. The new data spans 1993 through 2013, with 2009 additional state legislators, representing an 11% increase over the May 2013 update.