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New Jersey is approximately 19,211 sq km, while Poland is approximately 312,685 sq km, making Poland 1,528% larger than New Jersey. Meanwhile, the population of New Jersey is ~8.8 million people (29.5 million more people live in Poland).
Size of Poland vs. United Kingdom
Size of Poland vs. France
Size of Poland vs. Ireland
Size of Poland vs. Australia
Size of Poland vs. Germany
Size of Poland vs. Vietnam
Size of Poland vs. North Carolina (US)
Size of Poland vs. New York (US)
Size of Poland vs. Indiana (US)
Size of Poland vs. Ohio (US)
Size of Poland vs. California (US)
Size of Poland vs. Florida (US)