Detroit is the 21st-most populous city in Canada.
Detroit -LRB- -LSB- dtrt -RSB- -RRB- is the most populous city in the U.S. state of Michigan , the largest city on the United States -- Canada border , and the seat of Wayne County .	Wayne County	Wayne County, Michigan	Michigan	Michigan	County	List of counties in Michigan	Wayne	Wayne County, Michigan	most populous city	List of cities in Michigan by population	seat	county seat
