In 2023, approximately ** percent of female adults in Japan aged 20 years and older were underweight according to the Body Mass Index classification. The figures fluctuated slightly in recent years, but remained above *** percent.
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MHLW (Japan). (March 31, 2025). Share of female adults classified as underweight according to the body mass index (BMI) in Japan from 2012 to 2023 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/1001012/japan-body-mass-index-underweight-female-adults/
MHLW (Japan). "Share of female adults classified as underweight according to the body mass index (BMI) in Japan from 2012 to 2023." Chart. March 31, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/1001012/japan-body-mass-index-underweight-female-adults/
MHLW (Japan). (2025). Share of female adults classified as underweight according to the body mass index (BMI) in Japan from 2012 to 2023. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/1001012/japan-body-mass-index-underweight-female-adults/
MHLW (Japan). "Share of Female Adults Classified as Underweight According to The Body Mass Index (Bmi) in Japan from 2012 to 2023." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 31 Mar 2025, /statistics/1001012/japan-body-mass-index-underweight-female-adults/
MHLW (Japan), Share of female adults classified as underweight according to the body mass index (BMI) in Japan from 2012 to 2023 ÌÇÐÄÆƽâ°æ, /statistics/1001012/japan-body-mass-index-underweight-female-adults/ (last visited July 29, 2026)
Share of female adults classified as underweight according to the body mass index (BMI) in Japan from 2012 to 2023 [Graph], MHLW (Japan), March 31, 2025. [Online]. Available: /statistics/1001012/japan-body-mass-index-underweight-female-adults/
