(CNN) When it comes to how much confidence Americans have in the police, there's good news and bad news

The good news: After dipping to a historic low two years ago, confidence has climbed back up again to what's been the average the last 25 years.

The bad news: Confidence -- while high among whites, conservatives, and those over 55 -- is slipping among Hispanics, blacks, liberals and those under 35.

Let's look at each one by one:

Overall, the confidence level is rising -- and why

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