What I love is that the fucking moron can't figure out the correlation between relative population size and wealth/prosperity/public health.
As populations progress, it results in (1) lower mortality and (2) longer lifespan. White folks (Europeans) didn't see massive population growth until they had enough stability and prosperity to not starve to death, to support more children, and to have those children survive (instead of dying from malnutrition, dirty water, etc.). More folks survived, and they lived longer -- voila, larger population. Europe was on the front edge of that phase of human development. Now, other (non-white) areas are catching up. In much of Africa, and asia, and latin america....kids don't die young. They live into old age. So, growing population, which - because percentage is literally a relative thing - means that their percentage of human population is going up, necessarily meaning that the percentage of other populations (Euros) is going down, relatively speaking.
The problem is that Africans and Asians aren't dropping dead the way they used to. So, I can see why Elmo is distressed by that.