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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For single users
$0 USD
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Access limited to Free Statistics. Premium Statistics are not included.
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Starter Account

For single users
$199 USD
per month, billed annually 1
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  • Premium Statistics
  • The statistic on this page is a Premium Statistic and is included in this account.

Professional Account

For teams of up to 5 people
$959 USD
per month, billed annually 1
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1 All prices do not include sales tax. The account requires an annual contract and will renew after one year to the regular list price.

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