The agency says Canadian residents took 5.4 million trips to the United States and overseas countries combined — a 1.9 per cent decrease from September.
Most of the October trips abroad — 4.6 million — were to the United States, a 2.1 per cent decrease from the month before.
Canadians also made fewer same-day car trips and overnight trips south of the border.
Statistics Canada also reports less overseas travel in October, with Canadians taking 805,000 trips — down 0.4 per cent from September's record high of 808,000 trips.
Meanwhile, visitors from other countries made 2.1 million trips to Canada in October, which is the same as the month before.
The number of American visitors was down slightly, but trips made by people from other countries increased.
Statistics Canada says Americans took fewer same-day car trips and overnight plane trips, although they took slightly more overnight car trips.
Residents of countries other than the United States made 382,000 trips to Canada in October — a 2.6 increase from September.
Seven of the Top 12 overseas markets to Canada took more trips to Canada, with the United Kingdom remaining the top overseas marker, followed by France and Germany.
Travel from South Korea and China was up, while travel from Hong Kong was down.
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