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The average family in the U.S. can plan on spending $601 per child this summer, according to data released by American Express.

Keeping the kids entertained this summer is costing parents more than it used to, according to CNNMoney.

The average family in the U.S. can plan on spending $601 per child this summer, according to data released Wednesday by American Express, based on a sample of 2,008 adults.

"Between sleep-away camps, swim clubs and sports that ramp up between June and September, summer expenses can add up," Claire Bennett, executive vice president of Loyalty and Membership Benefits at American Express, said in a statement.

About 63 percent of families said they're planning on taking their children on day trips to theme parks such as Disney World and Six Flags, according to the report. These short excursions can cost families an average of $208 per child. Families enrolling their children in educational activities can expect to pay $139 per child and another $180 for sports.

About 29 percent of American families expect to spend more this summer than last summer, according to the report.

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