The existence of heaven and hell is a matter of religious and philosophical beliefs, and there is no concrete scientific evidence or verifiable data regarding the number of people in either place.
Different religions have varying beliefs about the afterlife, and the concept of heaven and hell differs significantly among them. Some religions believe in a literal heaven and hell, while others have more symbolic or metaphorical interpretations.
It's essential to recognize that beliefs about the afterlife are deeply personal and can vary widely among individuals and cultures. As such, there is no definitive answer to the question of how many people are in heaven and hell.