On World Population Day, observed annually on July 11, the global population of 8 billion+ people faces numerous challenges. To understand this scale, ChatGPT was asked to analyze the population using vivid comparisons. The chatbot noted that demographers estimate approximately 117 to 120 billion humans have ever lived. ChatGPT provided a breakdown including how many people are alive today compared to every human who has ever lived, what percentage of all humans in history are alive now, how fast the population is growing, its distribution across continents and major countries, and what would happen if everyone stood shoulder-to-shoulder. It also covered how long it took to reach each population milestone, myths about overpopulation, expected population trends over the next 100 years, and implications for food, housing, climate, technology, jobs, and aging societies. The results were described as eye-opening.