U.S. Supreme Court justices ideological MQ scores 2005-2022

Martin-Quinn ideological scores of Supreme Court justices in the United States from 2005 to 2022

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Release date

July 2023

Region

United States

Survey time period

2005 to 2022

Supplementary notes

Martin-Quinn scores, or MQ scores, are dynamic metrics used to gauge the ideology of a U.S. Supreme Court Justice based on their voting record. A jurist's score will continuously change as each judicial decision they make creates a new data point to be input into the model. MQ scores theoretically have no minimum or maximum values, but scores generally fall between -5 and 5. A negative number indicates a tendency towards liberalism, while a positive score indicates a tendency towards conservatism.

Figures have been rounded.

*Preliminary scores

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Statistics on " The United States Supreme Court "

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