The U.S. Senate has 53 Republicans and 47 Democrats (including two independents). There are 34 seats up in 2020 - including a special election in Arizona - of which 22 are held by the GOP. Democrats will need to gain 3 or 4 seats to take control.
This 3-part Senate map lets you view the current Senate, make a forecast for the 2020 Senate elections, and see the composition of the 2021 Senate based on those predictions. Use the buttons below the map to share it on social media or embed it into a web page.
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