Unauthorized crossings through the U.S. northern border have surged due to an influx of Indian migrants. Many leave Canada in search of better economic opportunities.
Canadians can fly to the U.S. but cannot enter by land. Most non-Canadians can't enter Canada by land or air. The government says a full reopening may require 75% of Canadians to be fully vaccinated.
When Canada's prime minister opted not to meet President Trump this week, it sent a message about his country's mood: Most of his fellow citizens want to keep the border closed over coronavirus fears.