Ontario is 1.10× the size of South Australia

What fits

• South Australia is 91% of the size of Ontario.
• Ontario is larger by 93,700 km² (36,200 mi²), which is 9.5% of the area of South Australia.
• Measured in Belgiums: Ontario is about 35.1, South Australia about 32.1.

How they differ

• Ontario also has the larger population: 14.2 million against 1.9 million, 7.52× as many people.
• Per square kilometre that is 13 in Ontario against 1.9 in South Australia: Ontario is 6.87× as densely populated.
• Their centres are about 15,900 km apart.
• A standard web map misstates the comparison: Ontario at 50°N is drawn about 2.4× too large and South Australia at 30°S about 1.3×, so the map shows Ontario as 1.98× the size of South Australia instead of 1.10×.
• Together Ontario and South Australia cover 2,061,000 km², close to the size of Greenland (2,154,000 km², 4.5% bigger).
• The gap between them, 93,700 km², is about the size of Hungary (93,200 km²).
• At South Australia's density, Ontario would have 2.1 million people (it has 14.2 million). At Ontario's density, South Australia would have 13.0 million (it has 1.9 million).
• Ontario's centre is 80.0° of latitude, about 8,900 km, farther north than South Australia's.
• Ontario is the 4th largest of the 13 provinces and territories of Canada and covers 11% of its area; it is the 3rd most densely populated of them.
• South Australia is the 4th largest of the 8 states and territories of Australia and covers 13% of its area; it is the 6th most densely populated of them.
• Ontario lies about 80° of latitude (roughly 8,900 km) north of South Australia, on the other side of the equator.
• Shared out evenly, each person in Ontario would have about 75,760 m² and each person in South Australia about 520,100 m².
• Laid side by side, Ontario and South Australia would cover 2,061,000 km², 96% of the size of Greenland.
• Together they have 16.1 million people, 95% as many people as Senegal.

Side by side

Population: Wikidata 2021 and Wikidata 2024. Official figures: Wikidata (CC0).

• Wikidata's official figure of 1,076,000 km² agrees with our measured area of 1,078,000 km², to within 2%.
• Wikidata's official figure of 984,000 km² agrees with our measured area of 984,000 km², to within 2%.

More from the same country

• All 13 provinces and territories of Canadamatched to countries
• All 8 states and territories of Australiamatched to countries

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