Taiwan and China have an adversarial relationship with one another resulting from the Chinese Communist Revolution in the mid-20th century. Taiwan views itself as an independent country, but China views the territory as one of its provinces. An economic power in its own right, what is the approximate population of Taiwan?

a) 135-150 million
b) 3-3.5 billion
c) 20-25 million
d) 500 million
e) 1.2-1.4 billion