

If you want to measure efficiency, population is not the way to do it, economic output is. After all, a person laying in bed does not contribute much to emissions, but also not much output.
The US has 3/4 the GDP of China with less than half the emissions. The EU also has 3/4 the GDP of China, but less than 1/4 the emissions. Both are far more efficient





Fossil fuel emissions are also a human construct. We did fine before fossil fuels, and even coal. Population is a horrible measure because all it captures is if you are keeping people alive. Even North Korea can keep people alive. But people want more than just survival.
But fine, you want to talk about population? You’re ignoring the second example I brought up. The EU has 1/3 the population of China and 1/4 the emissions. In other words, China is still the problem.
Edit: I just did the calculation, and North Korea is 4x more “efficient” than China if we are using carbon emissions per capita. I don’t think population is a great measure, to say the least