>>509609387
>Brazil style demographics
Not gonna happen. Brazil was founded on globohomo. And the types of people arriving in Europe are mostly tribal and stay with their own kind for the most part. The future will be segregated and balkanized. Like a nation within a nation. Which is the best case scenario for long-term survival.

>>509610586
>I imagine that things will happen as it happened in South Africa
Yep. It'll basically be like this on a continental scale. There is some whitepills though. You only need 10,000 people to kickstart civilization again without dealing with the effects of inbreeding and without any additional input. See: Orania

https://en.wikipedia.org/wiki/Orania