The map above shows New Brunswick and Ontario side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Brunswick vs Ontario Geography
Land area
- New Brunswick has a land area of 27,587 square miles (71,450 km²), while Ontario has 354,342 square miles (917,741 km²).
- Ontario's land area is 12.8 times larger than New Brunswick's.
Total area
- New Brunswick: 28,150 square miles (72,908 km²) vs Ontario: 415,598 square miles (1,076,395 km²), including inland and coastal water.
- Ontario's total area is 14.8 times larger than New Brunswick's.
Length
- New Brunswick is 241 miles (388 km) long from north to south; Ontario is 1,085 miles (1,747 km).
- Ontario's north-south length is 4.5 times (350%) longer than New Brunswick's.
Width
- New Brunswick spans 264 miles (424 km) east to west; Ontario spans 1,013 miles (1,630 km).
- Ontario's east-west width is 3.8 times (284%) wider than New Brunswick's.
Highest point
- New Brunswick's highest point is Mount Carleton at 2,680 feet (817 m); Ontario's is Ishpatina Ridge at 2,274 feet (693 m).
- Mount Carleton is 406 feet higher than Ishpatina Ridge.
Lowest point
- New Brunswick's lowest point is Atlantic Ocean at 0 feet; Ontario's is Hudson Bay at 0 feet.
- Both lowest points are at or near sea level.
New Brunswick vs Ontario Population and History
Population
- New Brunswick has a population of 867,383 (2026), while Ontario has 16,136,480 (2026).
- Ontario's population is 18.6 times larger than New Brunswick's.
Population density
- New Brunswick: 31.4 people per square mile vs Ontario: 45.5.
- Ontario's population density is 1.4 times (45%) higher than New Brunswick's.
Biggest city
- New Brunswick's biggest city is Moncton with 79,470 people; Ontario's is Toronto with 2,794,356.
- Toronto's population is 35.2 times larger than Moncton's.
Largest metro area
- New Brunswick's largest metropolitan area is Moncton CMA (157,717 people) vs Ontario's Toronto CMA (6,202,225).
- Toronto CMA's population is 39.3 times larger than Moncton CMA's.
History
- New Brunswick: Joined Confederation on July 1, 1867, as one of the four founding provinces.
- Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces.
New Brunswick vs Ontario Economy
GDP
- New Brunswick's GDP is $35.3 billion (2024) vs Ontario's $873.9 billion.
- Ontario's economic output is 24.8 times larger than New Brunswick's.
GDP per capita
- New Brunswick: $41,088 per person vs Ontario: $54,132.
- Ontario's GDP per capita is 1.3 times (32%) higher than New Brunswick's.
Official Websites
New Brunswick official website · Ontario official website
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More Size Comparisons
All New Brunswick size comparisons · All Ontario size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.