You’re right. It won’t be 90% of the world population, but it would definitely be more than 90% of the countries involved (e.g. NATO, Russia, and China). As far as the world population, people in countries of the southern hemisphere might have more chances at surviving, but with geopolitics changed that drastically with an impossible to resolved food shortage, things could become chaotic pretty quickly. Don’t argue with me. Here are the sources I based my opinion on.
The direct effects on the world of a nuclear war between the US and Russia isn’t going to include killing 90% of the world’s population.
You’re right. It won’t be 90% of the world population, but it would definitely be more than 90% of the countries involved (e.g. NATO, Russia, and China). As far as the world population, people in countries of the southern hemisphere might have more chances at surviving, but with geopolitics changed that drastically with an impossible to resolved food shortage, things could become chaotic pretty quickly. Don’t argue with me. Here are the sources I based my opinion on.
Kurzgesagt video: https://www.youtube.com/watch?v=LrIRuqr_Ozg
Their background sources: https://sites.google.com/view/sources-nuclear-winter
It will if we decide to be dicks about it