Jordan is about 4.7 times bigger than New Jersey.

New Jersey is approximately 19,211 sq km, while Jordan is approximately 89,342 sq km, making Jordan 365% larger than New Jersey. Meanwhile, the population of New Jersey is ~8.8 million people (2.2 million more people live in Jordan).
Tip: This to-scale comparison of New Jersey vs. Jordan uses the Mercator projection, which distorts the size of regions near the poles.