More Senate seats will be up for re-election in 2028. What are the predictions?

( NewsNation ) — Two years from now, more Senate seats — and all House seats — will be up for re-election, bringing more changes to Congress, alongside the Presidential election.
On Tuesday, Nov. 7, 2028, 34 Senate seats will be up for re-election, including 18 seats held by Republicans and 16 seats held by Democrats.
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What do we know about the 2028 Senate map?
Republican Senate seats up for re-election in 2028
Republican Senate seats up for re-election include the following states: Alabama, Alaska, Arkansas, Florida, Idaho, Indiana, Iowa, Kansas, Kentucky, Louisiana, Missouri, North Carolina, North Dakota, Oklahoma, South Carolina, South Dakota, Utah and Wisconsin.
Democrat Senate seats up for re-election in 2028
Democrat Senate seats up for re-election in 2028 include the following states: Arizona, California, Colorado, Connecticut, Georgia, Hawaii, Illinois, Maryland, Nevada, New Hampshire, New York, Ohio, Oregon, Pennsylvania, Vermont and Washington.
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Predictions for 2028 elections
According to Polymarket , the odds of Democrats winning the Senate in 2028 are 87%, compared with 12% for Republicans.
Meanwhile, Kalshi predictions indicate that a Democratic sweep will take place in 2028, with Democrats winning the House, Senate and presidency.
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