Great Lakes is about 2 times smaller than Yukon.

Yukon is approximately 482,443 km² (186,272 sq mi), while Great Lakes is approximately 243,839 km² (94,147 sq mi), making Great Lakes 50.54% the size of Yukon.
Tip: This to-scale comparison of Yukon vs. Great Lakes uses the Mercator projection, which distorts the size of regions near the poles.
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