Travel to the US tumbled 3.1% in July — the latest in a slew of monthly declines as the Trump administration imposes strict curbs on travel and pursues tough negotiations on trade .

The most recent drop was fueled by a steep pullback from Germany, China and Switzerland, which were down 14.7%, 13.8% and 12.7% respectively, according to the National Travel and Tourism Office, a government agency that works with the Department of Homeland Security and US Customs and Border Protection.

Overseas travel to the US has been declining this year, down 3.1% in July, according to government data. Getty Images

The latest data does not include travel from Canada and Mexico, the two largest feeder markets to the US, but lately both have seen steep drops.

Canadians in particular have been cancelin

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