Japan Population Pyramid

The age and sex structure of Japan from 1950 to 2100. In 2026, Japan had a population of about 122,427,732 (48.7% male, 51.3% female), with a median age of 51.2 years. UN projections suggest the population will decline to about 76,845,991 by 2100. Use the slider to explore any year. Source: UN World Population Prospects 2024.