Brussels (CNN) President Donald Trump on Wednesday suggested NATO leaders increase their defense spending to 4% -- doubling the 2% target that many NATO countries have yet to meet.

"During the President's remarks today at the NATO summit he suggested that countries not only meet their commitment of 2% of their GDP on defense spending, but that they increase it to 4%," White House press secretary Sarah Sanders confirmed in a statement.

Sanders said Trump "raised this same issue" at NATO last year.

"President Trump wants to see our allies share more of the burden and at a very minimum meet their already stated obligations," Sanders said.

But according to the latest numbers from NATO, the US doesn't even spend as much as Trump is calling on other countries to.

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