Total cost of 2022 state and federal midterm elections may have exceeded $16 billion according to a OpenSecrets analysis. Federal candidates and political committees spent over $8 billion while state candidates, party committees, and ballot measure committees spent close to $8 billion.

Here are the five most expensive Senate races this year according to OpenSecrets. This includes both general election and primary candidates together with the outside groups supporting them, such as the national parties and Super PACs:

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