Green
The World’s 25 Largest Lakes, Side by Side
The World’s 25 Largest Lakes, Side by Side
In many parts of the world, you don’t have to look very far to find a lake.
According to satellite data, there are roughly 100 million lakes larger than one hectare (2.47 acres) to be found globally. The largest lakes, which rival the size of entire nations, are more of a rarity.
One might expect the world’s largest lakes to be very alike, but from depth to saline content, their properties can be quite different. As well, the ranking of the world’s largest lakes is far from static, as human activity can turn a massive body of water into a desert within a single generation.
Today’s graphic – created using the fantastic online tool, Slap It On A Map! – uses the Great Lakes region as a point of comparison for the largest 25 lakes, by area. This is particularly useful in comparing the scale of lakes that are located in disparate parts of the globe.
The Greatest Lakes
The largest lake in the world by a long shot is the Caspian Sea – a name that hints at a past when it was contiguous with the ocean around 11 million years ago. This massive saline lake, which is nearly the same size as Japan, borders five countries: Kazakhstan, Russia, Turkmenistan, Azerbaijan, and Iran. An estimated 48 billion barrels of oil lay beneath the surface of the basin.
The five Great Lakes, which run along the Canada–U.S. border, form one of the largest collections of fresh water on Earth. This interconnected series of lakes represents around 20% of the world’s fresh water and the region supports over 100 million people, roughly equal to one-third of the Canada–U.S. population.
Amazingly, a single lake holds as much fresh water as all the Great Lakes combined – Lake Baikal. This rift lake in Siberia has a maximum depth of 5,371ft (1,637m). For comparison, the largest of the Great Lakes (Lake Superior) is only 25% as deep, with a maximum depth of 1,333ft (406m). Lake Baikal is unique in a number of other ways too. It is the world’s oldest, coldest lake, and around 80% of its animal species are endemic (not found anywhere else).
Here’s a full run-down of the top 25 lakes by area:
Rank | Lake Name | Surface Area | Type | Countries on shoreline |
---|---|---|---|---|
1 | Caspian Sea | 143,000 sq mi (371,000km²) | Saline | 🇰🇿 Kazakhstan 🇷🇺 Russia 🇹🇲 Turkmenistan 🇦🇿 Azerbaijan 🇮🇷 Iran |
2 | Superior | 31,700 sq mi (82,100km²) | Freshwater | 🇨🇦 Canada 🇺🇸 U.S. |
3 | Victoria | 26,590 sq mi (68,870km²) | Freshwater | 🇺🇬 Uganda 🇰🇪 Kenya 🇹🇿 Tanzania |
4 | Huron | 23,000 sq mi (59,600km²) | Freshwater | 🇨🇦 Canada 🇺🇸 U.S. |
5 | Michigan | 22,000 sq mi (58,000km²) | Freshwater | 🇺🇸 U.S. |
6 | Tanganyika | 12,600 sq mi (32,600km²) | Freshwater | 🇧🇮 Burundi 🇹🇿 Tanzania 🇿🇲 Zambia 🇨🇩 D.R.C. |
7 | Baikal | 12,200 sq mi (31,500km²) | Freshwater | 🇷🇺 Russia |
8 | Great Bear Lake | 12,000 sq mi (31,000km²) | Freshwater | 🇨🇦 Canada |
9 | Malawi | 11,400 sq mi (29,500km²) | Freshwater | 🇲🇼 Malawi 🇲🇿 Mozambique 🇹🇿 Tanzania |
10 | Great Slave Lake | 10,000 sq mi (27,000km²) | Freshwater | 🇨🇦 Canada |
11 | Erie | 9,900 sq mi (25,700km²) | Freshwater | 🇨🇦 Canada 🇺🇸 U.S. |
12 | Winnipeg | 9,465 sq mi (24,514km²) | Freshwater | 🇨🇦 Canada |
13 | Ontario | 7,320 sq mi (18,960km²) | Freshwater | 🇨🇦 Canada 🇺🇸 U.S. |
14 | Ladoga | 7,000 sq mi (18,130km²) | Freshwater | 🇷🇺 Russia |
15 | Balkhash | 6,300 sq mi (16,400km²) | Saline | 🇰🇿 Kazakhstan |
16 | Vostok | 4,800 sq mi (12,500km²) | Freshwater | 🇦🇶 Antarctica |
17 | Onega | 3,700 sq mi (9,700km²) | Freshwater | 🇷🇺 Russia |
18 | Titicaca | 3,232 sq mi (8,372km²) | Freshwater | 🇧🇴 Bolivia 🇵🇪 Peru |
19 | Nicaragua | 3,191 sq mi (8,264km²) | Freshwater | 🇳🇮 Nicaragua |
20 | Athabasca | 3,030 sq mi (7,850km²) | Freshwater | 🇨🇦 Canada |
21 | Taymyr | 2,700 sq mi (6,990km²) | Freshwater | 🇷🇺 Russia |
22 | Turkana | 2,473 sq mi (6,405km²) | Saline | 🇰🇪 Kenya 🇪🇹 Ethiopia |
23 | Reindeer Lake | 2,440 sq mi (6,330km²) | Freshwater | 🇨🇦 Canada |
24 | Issyk-Kul | 2,400 sq mi (6,200km²) | Saline | 🇰🇬 Kyrgyzstan |
25 | Urmia | 2,317 sq mi (6,001km²) | Saline | 🇮🇷 Iran |
The Great Lakes World Tour
For people living in Canada and the U.S., the shape and relative size of the Great Lakes system may be quite familiar. This makes the Great Lakes a fantastic point of comparison to help put the size of other world locations into perspective. To this end, we begin our Great Lakes World Tour.
First, the image below shows how the Great Lakes system would look if it was located in India.
Distortions on commonly used maps can downplay the size of India compared to more northern nations. This view of the Great Lakes can help put India’s true size into perspective.
Next, we look at the Great Lakes overlaid within Central Europe.
In the context of Europe, the lakes are so large that they extend from the Netherlands over to Slovakia. Lake Superior’s surface area of 31,700 mi2 (82,000 km2), is similar in size to Austria. Here’s are the five Great Lakes and European countries of equivalent size:
Great Lakes | Surface Area | Equivalent Country | Area |
---|---|---|---|
Lake Superior | 82,000 km2 (31,700 sq mi) | 🇦🇹 Austria | 83,879 km2 (32,386 sq mi) |
Lake Huron | 60,000 km2 (23,000 sq mi) | 🇱🇻 Latvia | 64,589 km2 (24,938 sq mi) |
Lake Michigan | 58,000 km2 (22,300 sq mi) | ðŸ‡ðŸ‡· Croatia | 56,594 km2 (21,851 sq mi) |
Lake Erie | 25,700 km2 (9,910 sq mi) | 🇲🇰 North Macedonia | 25,713 km2 (9,928 sq mi) |
Lake Ontario | 19,000 km2 (7,340 sq mi) | 🇸🇮 Slovenia | 20,271 km2 (7,827 sq mi) |
Lastly, here is a look at the Great Lakes in Southern Australia. Australia is the world’s 6th largest country, so the Great Lakes only occupy one corner of its land mass.
Australia’s lack of glacial history means that there are few permanent freshwater lakes in the country. Many of the country’s largest lakes only fill up during periods of excessive rainfall.
Shrinking out of the rankings
Not far from the world’s largest lake, straddling the border between Kazakhstan and Uzbekistan, lay the sand dunes of the Aralkum Desert. In the not so distant past, this harsh environment was actually the bed of one of the largest lakes in the world – the Aral Sea.
For reasons both climatic and anthropogenic, the Aral Sea began receding in the 1960s. This dramatic change in surface area took the Aral Sea from the fourth largest lake on Earth to not even ranking in the top 50. Researchers note that the size of the lake has fluctuated a lot over history, but through the lens of modern history these recent changes happened rapidly, leaving local economies devastated and former shoreside towns landlocked.
Lake Chad, in Saharan Africa, and Lake Urmia, in Iran, both face similar challenges, shrinking dramatically in recent decades.
How we work to reverse damage and avoid ecosystem collapse in vulnerable lakes will have a big influence on how the top 25 list may look in future years.
Environment
How Carbon Dioxide Removal is Critical to a Net-Zero Future
Here’s how carbon dioxide removal methods could help us meet net-zero targets and and stabilize the climate.
How Carbon Dioxide Removal is Critical to a Net-Zero Future
Meeting the Paris Agreement temperature goals and avoiding the worst consequences of a warming world requires first and foremost emission reductions, but also the ongoing direct removal of CO2 from the atmosphere.
We’ve partnered with Carbon Streaming to take a deep look at carbon dioxide removal methods, and the role that they could play in a net-zero future.
What is Carbon Dioxide Removal?
Carbon Dioxide Removal, or CDR, is the direct removal of CO2 from the atmosphere and its durable storage in geological, terrestrial, or ocean reservoirs, or in products.
And according to the UN Environment Programme, all least-cost pathways to net zero that are consistent with the Paris Agreement have some role for CDR. In a 1.5°C scenario, in addition to emissions reductions, CDR will need to pull an estimated 3.8 GtCO2e p.a. out of the atmosphere by 2035 and 9.2 GtCO2e p.a. by 2050.
The ‘net’ in net zero is an important quantifier here, because there will be some sectors that can’t decarbonize, especially in the near term. This includes things like shipping and concrete production, where there are limited commercially viable alternatives to fossil fuels.
Not All CDR is Created Equal
There are a whole host of proposed ways for removing CO2 from the atmosphere at scale, which can be divided into land-based and novel methods, and each with their own pros and cons.
Land-based methods, like afforestation and reforestation and soil carbon sequestration, tend to be the cheapest options, but don’t tend to store the carbon for very long—just decades to centuries.
In fact, afforestation and reforestation—basically planting lots of trees—is already being done around the world and in 2020, was responsible for removing around 2 GtCO2e. And while it is tempting to think that we can plant our way out of climate change, think that the U.S. would need to plant a forest the size of New Mexico every year to cancel out their emissions.
On the other hand, novel methods like enhanced weathering and direct air carbon capture and storage, because they store carbon in minerals and geological reservoirs, can keep carbon sequestered for tens of thousand years or longer. The trade off is that these methods can be very expensive—between $100-500 and north of $800 per metric ton.
CDR Has a Critical Role to Play
In the end, there is no silver bullet, and given that 2023 was the hottest year on record—1.45°C above pre-industrial levels—it’s likely that many different CDR methods will end up playing a part, depending on local circumstances.
And not just in the drive to net zero, but also in the years after 2050, as we begin to stabilize global average temperatures and gradually return them to pre-industrial norms.
Carbon Streaming uses carbon credit streams to finance CDR projects, such as reforestation and biochar, to accelerate a net-zero future.
Learn more about Carbon Streaming’s CDR projects.
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