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Yamaguchi Prefecture
Trends
- 1Japan's 2025 census shows accelerating decline in Chugoku region●『中国5 県の人口 自然減 進み減少 加速山口』 信越の高齢化率ともに上昇、平均年齢は50歳超え 25年国勢調査 https://www. nikkei.com/article/DGXZQOCC295 N90Z20C26A9000000/
Japan's 2025 national census indicates that the five prefectures of the Chugoku region, including Yamaguchi, are seeing accelerating population decline driven by natural decrease, as deaths outnumber births. Aging rates are rising in Chugoku and Shinetsu, and the average age of residents has surpassed 50, underscoring Japan's deepening demographic crisis in regional areas.