Geography
Pie Chart of the Great Lakes by Water Volume
Last reviewed on 2026-05-22.
Geography — verifiable data, editable template
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The five Great Lakes hold roughly 21% of Earth's surface freshwater. Superior is the largest by volume, holding more water than the other four combined.
The data
- Superior — 12100 km³
- Michigan — 4900 km³
- Huron — 3540 km³
- Ontario — 1640 km³
- Erie — 480 km³
Source
US EPA / Environment Canada.
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