Hello how may I help you? I have a question about common knowledge in the world Sure, what is your question? How many people are currently on the planet? I'm sorry, I cannot find the information you are looking for. Any other questions? You don't know how many people are on the Earth? No I cannot find this information, I am sorry. Any other questions? How many states in the US? There 50 states in the United States of America. Any other questions? Okay thank you! You are welcome.