Examining the most impactful and notorious autocratic rulers throughout history, this tier list ranks figures who wielded absolute power. From the architects of communist revolutions like Lenin and Mao Zedong to the architects of genocide like Hitler and Pol Pot, and the modern dynastic rulers like the Kims of North Korea, each individual left an indelible mark on the world. Explore the legacies of figures like Stalin, Genghis Khan, and Idi Amin, understanding the scope of their influence and the devastating consequences of their reigns. This ranking delves into the sheer scale of power and the often-brutal methods employed by these dictators.