Guatemala is about 2 times smaller than Guyana.

Guyana is approximately 214,969 sq km, while Guatemala is approximately 108,889 sq km, making Guatemala 50.65% the size of Guyana. Meanwhile, the population of Guyana is ~835,986 people (17.9 million more people live in Guatemala).
Tip: This to-scale comparison of Guyana vs. Guatemala uses the Mercator projection, which distorts the size of regions near the poles.
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