Japan Population Pyramid 2025. Here is a population pyramid of japan based on 2016 data. As of july 1, 2025 the population of japan reached 122,631,432, of which 59,583,329 people are male and 63,048,103 female.

When the world’s population reached 6 billion in 1995, it was forecast that at a steady rate of growth the population would reach 12 billion in approximately 45 years. Population estimates offer the population of japan as of the first day of each month by 5.