Japanese births hit record low in 2025, below 700,000 for first time

data result japanThe NIBN JMD database contains microbiome data from different cohort studies coordinated by NIBN. The studies were conducted in nine places across six prefectures inThe number of newborns in Japan fell below 700,000 in 2025 -- a first since records began in 1899. (Photo by Yuki Kohara) SAKI HAYASHI. June 4, 2025 14:00 JST. Updated on