Lake Michigan is about 1.3 times smaller than New Brunswick.

New Brunswick is approximately 72,908 km² (28,150 sq mi), while Lake Michigan is approximately 57,750 km² (22,297 sq mi), making Lake Michigan 79.21% the size of New Brunswick.
Tip: This to-scale comparison of New Brunswick vs. Lake Michigan uses the Mercator projection, which distorts the size of regions near the poles.
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