I’ve combined a lot of resources and information about world poverty, hunger, economic imperialism, terrorism, and society at large to do this, all which are from reliable sources that will be linked in this post.
Death under capitalism as a result of capitalism is not discussed much. No one is going to say, “Why do you support capitalism? It killed [amount of people]”. Or if they do, someone will say those deaths are unrelated to capitalism. So here is some research counting the death toll of capitalism in similar ways communism would be.