Tanzania is about 40 times bigger than Vermont.

Vermont is approximately 23,956 sq km, while Tanzania is approximately 947,300 sq km, making Tanzania 3,854% larger than Vermont. Meanwhile, the population of Vermont is ~625,741 people (63.2 million more people live in Tanzania).
Tip: This to-scale comparison of Vermont vs. Tanzania uses the Mercator projection, which distorts the size of regions near the poles.