Delaware is about 187 times smaller than Tanzania.

Tanzania is approximately 947,300 sq km, while Delaware is approximately 5,060 sq km, making Delaware 0.53% the size of Tanzania. Meanwhile, the population of Tanzania is ~63.9 million people (63.0 million fewer people live in Delaware).
Tip: This to-scale comparison of Tanzania vs. Delaware uses the Mercator projection, which distorts the size of regions near the poles.