data japan 2023In 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 byWELCOME MESSAGE. Hi, everyone, We are pleased to announce that the 3rd B Data Machine Learning in Healthcare in Japan (Datathon-Japan 2025) will be held at Tokyo Medical