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How Many Lakes in Canada? Over 2 Million and Counting

Benjamin Foster Patterson • 2026-05-22 • Reviewed by Oliver Bennett

Canada holds an estimated 2 million lakes, more than any other nation. We break down what that number actually means, how it compares to the United States, and why Canada ended up with such a stunning abundance of freshwater.

Estimated number of lakes in Canada: Over 2 million ·
Share of the world’s lakes: Approximately 60% ·
Lakes larger than 3 km²: More than 500,000 ·
Country with the most lakes: Canada ·
largest lake entirely in Canada: Great Bear Lake (31,153 km²)

Quick snapshot

1Confirmed facts
2What’s unclear
  • Exact count of lakes under 1 km² is unknown.
  • The 60% figure is debated because of varying definitions of a lake.
  • Whether all 2 million “lakes” are permanent water bodies.
  • Some estimates of Canada’s lake count are based on satellite data that may miss very small lakes.
3Timeline signal
4What’s next

The numbers below summarize Canada’s lake dominance in six key facts.

Six key facts: the numbers behind Canada’s lake dominance
Attribute Value
Total lakes in Canada >2 million (estimated)
Lakes >3 km² ~500,000
Percentage of world’s lakes ~60% (for lakes >3 km²)
largest lake entirely in Canada Great Bear Lake (31,153 km²)
largest lake shared with USA Lake Superior (82,100 km²)
Province with most lakes Ontario (over 250,000)

How Many Lakes Are There in Canada?

The 2 Million Figure

  • The most frequently cited number is “over 2 million lakes” (WorldAtlas). This includes everything from small ponds to vast inland seas.
  • A 2016 study in Nature Communications counted about 1.42 million lakes worldwide larger than 0.1 km², with Canada holding roughly 879,800 of them (Nature Communications, 2016).

Lakes by Minimum Size

  • Using a threshold of 3 km², Canada has more than 500,000 lakes (Wikipedia, community-sourced encyclopedia).
  • The number drops to about 31,190 when using a 100 km² cutoff (Canadian Encyclopedia).

Regional Distribution

  • Ontario alone contains over 250,000 lakes (The Canadian Encyclopedia).
  • Other lake‑dense provinces include Quebec, Manitoba, and Saskatchewan.

The pattern: the definition of “lake” is the single biggest variable. The broader the definition, the more dominant Canada becomes.

The upshot

Whether you count by satellite imagery or by the smallest pond, Canada’s lake count leads the world because its geography is a natural water‑retention machine.

The implication: Even with varying thresholds, Canada consistently ranks first in lake density.

Which Country Has the Most Lakes?

Global Ranking of Lake Counts

  • Canada ranks first. Russia is second, and the United States is third in the 2016 global inventory (WorldAtlas).
  • Finland and Sweden also appear in the top 10, with each country having tens of thousands of lakes.

Canada’s Lead

  • Canada’s count is roughly 8.6 times that of the United States (879,800 vs. 102,500) for lakes >0.1 km² (Nature Communications, 2016).

Other Countries with High Lake Numbers

  • Russia: approximately 200,000 lakes >0.1 km².
  • Finland: around 187,000 lakes (Finnish government estimate).

The catch: most lake‑rich nations lie in high latitudes where glaciers left deep scars. Canada’s advantage is partly a matter of size, but more importantly, of geology.

Who Has More Lakes, the USA or Canada?

Canada vs. USA: Lake Numbers Side by Side

  • Canada: ~879,800 lakes >0.1 km² (WorldAtlas).
  • United States: ~102,500 lakes same threshold.

Size and Surface Area Differences

  • Canada also leads in total lake surface area, covering about 6% of the country (Statistics Canada).
  • The U.S. Great Lakes region holds a large share of its fresh water, but the lower 48 states have far fewer lakes than Canada’s Shield.

Geological Reasons for the Disparity

  • The Canadian Shield — ancient, hard bedrock scoured by glaciers — creates countless depressions that hold water (The Canadian Encyclopedia).
  • Most of the U.S. south of the glacial maximum lacks this scoured landscape.

What this means: the difference isn’t just one of area. It’s a fundamental difference in how ice age glaciers shaped the land.

Six attributes, one pattern: Canada dominates because its entire northern half was a giant scratch pad for ice sheets.

Here is a direct comparison of lake counts and surface areas between Canada and the United States.

Attribute Canada United States
Total lakes (>0.1 km²) ~879,800 (WorldAtlas) ~102,500
Lakes >3 km² ~500,000 (Wikipedia) ~100,000
Share of world’s lakes ~62% (for lakes >0.1 km²) ~7%

What Country Has 60% of the Lakes?

Origins of the 60% Statistic

  • The figure stems from the 2016 lake‑distribution study in Nature Communications, which found that Canada contains 62% of the world’s lakes larger than 0.1 km² (Nature Communications, 2016).

What Does “60%” Actually Mean?

  • It applies to a specific size threshold. If you include ponds smaller than 0.1 km², the percentage likely drops because other nations also have many small water bodies.

Criticism and Clarifications

  • Some argue the 60% figure is inflated by using a threshold that favors Canada’s countless small shield lakes.
  • Nevertheless, the statistic is widely used by government and tourism boards.

The trade‑off: the 60% figure is a useful headline, but it depends on the lens you use to define a lake.

Why this matters

Relying on a single threshold ignores millions of tiny lakes across other continents. But it does underscore how unique Canada’s geography is.

Why Does Canada Have So Many Lakes?

Glacial History and the Canadian Shield

Post‑Glacial Rebound

  • The land is still rising slowly after being depressed by ice, which affects drainage patterns and can create new lake basins.

Climate and Hydrology

  • Canada’s cold, wet climate reduces evaporation and keeps water levels stable (U.S. Geological Survey).
  • Permafrost in the north creates thaw lakes (also called thermokarst lakes) that are numerous but shallow (U.S. Geological Survey).

The implication: Canada’s lake count is not a fluke—it is the predictable result of 10,000 years of glacial aftermath and a geography that doesn’t let water drain away easily.

How Many Lakes Are There in the World?

Global Lake Estimates

  • The 2016 Nature Communications study identified about 1.42 million lakes larger than 0.1 km² (Nature Communications, 2016).
  • If all water bodies down to 0.01 km² are included, the total may exceed 100 million.

Distribution by Continent

  • Most lakes are in the Northern Hemisphere, especially in Canada, Russia, Scandinavia, and Alaska.
  • Africa’s Great Lakes are large in area but few in number.

Challenges in Counting

  • Satellite resolution, seasonal variations, and definitions make a precise global tally difficult.

The pattern: the world’s lake population is heavily concentrated in just a few countries, and Canada sits at the top of that list.

Clarity Check

Confirmed facts

  • Canada has more lakes than any other country.
  • Canada contains about 60% of the world’s lakes (based on certain size definitions).
  • Glacial history is the primary reason for the high lake count.
  • Ontario is the province with the most lakes.

What’s unclear

  • Exact count of lakes under 1 km² is unknown.
  • The 60% figure is debated because of varying definitions of a lake.
  • Whether all 2 million “lakes” are permanent water bodies.
  • Some satellite-based estimates may miss extremely small lakes.

Canada is home to an estimated 2 million lakes, covering about 9% of the country’s total area.

WorldAtlas, a geographic reference site

Canada has an extremely large number of lakes, with the number of lakes larger than three square kilometres being estimated at over 500,000.

Wikipedia, community‑sourced encyclopedia

For travelers and researchers alike, the lesson is plain: Canada’s 2 million lakes are not a coincidence but a direct consequence of ice sheets that sculpted the land over millennia. The next time you look at a map, remember that every blue patch is a scar from the last ice age—and no other country has as many scars.

Related reading: Things to Do in Quebec City · How to Apply for Canadian Citizenship

With over two million bodies of water, Canadas incredible lake count is a defining feature of the Canadian landscape and supports diverse ecosystems across every province.

Frequently Asked Questions

What is the largest lake in Canada?

The largest lake entirely within Canada is Great Bear Lake (31,153 km²). Lake Superior (82,100 km²) is shared with the United States.

Which Canadian province has the most lakes?

Ontario has the most, with over 250,000 lakes.

Are Canada’s lakes natural or man‑made?

The vast majority are natural, formed by glacial erosion. Some small reservoirs exist, but they account for a tiny fraction.

How many lakes in Canada are over 1,000 km²?

About 31 lakes exceed 1,000 km² in surface area.

What is the total surface area of all Canadian lakes?

Canadian lakes cover roughly 890,000 km², about 9% of the country’s land area.

How does Canada’s lake count compare to Finland’s?

Finland has about 187,000 lakes, making it the second‑most lake‑dense country in the world, but Canada leads by a wide margin.

Is Canada’s lake count increasing or decreasing over time?

In permafrost regions, thaw lakes are forming, while some southern lakes may shrink due to climate change. The net trend is uncertain.

What is the deepest lake in Canada?

Great Slave Lake (614 m deep) is the deepest, followed by Lake Quesnel (610 m).



Benjamin Foster Patterson

About the author

Benjamin Foster Patterson

We publish daily fact-based reporting with continuous editorial review.