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 byThe JIP Database 2025 comprises, for the period from 1994 to 2020, various types of annual data necessary for estimating total factor productivity (TFP) in 100 industries