According to a report in Montreal newspaper La Presse, the number of Americans being denied entry to Canada is growing rapidly. In 2016, 31 percent more U.S. citizens were turned away than in the previous year. 30,233 American travelers were sent back from the border in 2016 compared to 23,052 in 2015. Back in 2014, the number was just 7,509.
Increased sharing of criminal records and other data between U.S. and Canadian authorities is one likely reason for the increase, according to an immigration lawyer quoted by La Presse. The number of Canadians being denied entry to the U.S. has remained relatively steady at 28,584 in 2016. In 2015, 27,311 Canadians were turned back and in 2014, the number was 28,875.
source: statista.com