Number of inbound travelers to Japan 2005-2025

data japan 2023Key information about Japan population. The Japan population reached 123.7 million people in Dec 2025, compared with the previously reported fure of 124.3 million people in Dec 2025;In Japan, the current population is 124,370,947 as of 2025 with a projected decrease of 15% to 105,123,167 by 2050. −0.5% ‎+0.041 percentage points change since 2022. Population by