[Rupert]

Originally Posted by AlexanderHowl

We can also use economics to determine overpopulation. The global per capita nominal income was ~$10,000 in 2017, which is less than one-third of the per capita income suggested for TL8 in Space, which us pretty close to what it should be for a population of 7.5 billion. If Earth possessed Affinity 9, it would have a carrying capacity of 5 billion people and the per capita income would be $23,250. If Earth possessed Affinity 10, it would have a carrying capacity of 10 billion people and the per capita income would be $43,400.

Not all of Earth's population is living at TL8.