Maine (USA) is 9.6% larger than New Brunswick (Canada).
New Brunswick is one of Canada's three Maritime provinces and is the only province in the Canadian federation that is constitutionally bilingual. It was created as a result of the partitioning of the British Colony of Nova Scotia in 1784. Wikipedia
Maine is a state in the New England region of the northeastern United States, bordered by the Atlantic Ocean to the east and south; New Hampshire to the west; and the Canadian provinces of Quebec to the northwest and New Brunswick to the northeast. Wikipedia