The demography of Japan is monitored by National Institute of Population and Social Security Research (IPSS) and Statistics Bureau. As of April 2025, Japan's population was roughly 123.4 million people, and peaked at 128.5 million people in 2010.
The demography of Japan is monitored by National Institute of Population and Social Security Research (IPSS) and Statistics Bureau. As of April 2025, Japan's population was roughly 123.4 million people, and peaked at 128.5 million people in 2010.
Source: Wikipedia "Demographics of Japan" · CC BY-SA 4.0
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