Trump’s claim is clear, however: Very few people have been inconvenienced by his new entry restrictions, he says.

Perhaps that was true Saturday. It will not be true in the months to come. Last year, nearly 23,000 refugees entered the U.S. between February and June; none will be able to enter now. The Department of State issued just under 95,000 immigrant and visitor visas in fiscal year 2016 to residents of Iraq, Iran, Syria, Somalia, Sudan, Libya, and Yemen; people from those countries are now specifically barred from visiting the United States.

And, of course, there are the countless thousands of Syrian refugees who can no longer look to the United States for sanctuary, until Trump says otherwise.

Claim Two: The U.S. is already exceptionally generous to refugees.

During the campaign, Trump often complained about the money the U.S. spends on refugees and immigrants, saying those funds should be diverted to support deserving Americans instead. “For the amount of money Hillary Clinton would like to spend on refugees, we could rebuild every inner city in America,” he said last June. (The “inner cities” idea was new for Trump; he’s usually more likely to suggest helping veterans.)

The U.S. does accept a large number of refugees. In 2015, it took on more than 66,500 people, a higher number than Canada. As of the end of 2015, the U.S. was home to more refugees than pretty much any other European ally, with the exception of Germany and Turkey (which borders Syria).

Then again, the continental United States is nearly twice as large in area as the European Union, and is far wealthier and more populous than any individual member state. Factoring in population, the United States drops to No. 75 in the world when it comes to sheltering refugees, behind virtually every other rich democracy. Even when controlling for GDP as well as population, the U.S. only hits No. 47.

And by the way, those “tens of thousands” Syrian refugees making their way to America? Only 15,000 or so Syrians were admitted to the U.S. in 2016—hardly the deluge that Trump insists exists.

Claim Three: Refugees (and Syrians in particular) are a significant security threat.

As noted earlier, Trump views the incoming refugee population as a potential vector for terrorists to enter the United States. Indeed, he said his haste in signing the immigration executive order—which caught even the head of homeland security unawares—was actually a ploy to keep “bad dudes” from bum-rushing the U.S. border.

As my colleague Uri Friedman writes here, precisely zero Americans have been killed by Syrian refugees via terror attacks on U.S. soil. Indeed, over the last four decades, only 20 refugees have ever been convicted of committing or attempting terrorism within the U.S., according to an analysis by the Cato Institute. That’s out of 3.25 million refugees who have been admitted into the country, or .0006%.