The survey was conducted at medical facilities on one designated date set for each institution from three days in October.
Rate of treated patients per day = estimated number of patients / total population (based on the national census) x 100,000
The estimated number of patients refers to the number of patients who received treatments at medical facilities on the surveyed day. It excludes the number of returning outpatients who were not treated during that period.
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Ratio of treated outpatients per day Japan 2023, by age
As of 2023, there were around * outpatients aged 80 to 84 years per 100 thousand inhabitants in Japan in a day. At the same time, approximately **people aged 85 to 89 years per 100 thousand of the population visited outpatient care in one day.
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MHLW (Japan). (May 26, 2025). Estimated number of outpatients receiving treatments in a day per 100,000 population in Japan in 2023, by age group [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/1324332/japan-ratio-treated-outpatients-per-day-by-age/
MHLW (Japan). "Estimated number of outpatients receiving treatments in a day per 100,000 population in Japan in 2023, by age group." Chart. May 26, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/1324332/japan-ratio-treated-outpatients-per-day-by-age/
MHLW (Japan). (2025). Estimated number of outpatients receiving treatments in a day per 100,000 population in Japan in 2023, by age group. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/1324332/japan-ratio-treated-outpatients-per-day-by-age/
MHLW (Japan). "Estimated Number of Outpatients Receiving Treatments in a Day per 100,000 Population in Japan in 2023, by Age Group." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 26 May 2025, /statistics/1324332/japan-ratio-treated-outpatients-per-day-by-age/
MHLW (Japan), Estimated number of outpatients receiving treatments in a day per 100,000 population in Japan in 2023, by age group ÌÇÐÄÆƽâ°æ, /statistics/1324332/japan-ratio-treated-outpatients-per-day-by-age/ (last visited July 27, 2026)
Estimated number of outpatients receiving treatments in a day per 100,000 population in Japan in 2023, by age group [Graph], MHLW (Japan), May 26, 2025. [Online]. Available: /statistics/1324332/japan-ratio-treated-outpatients-per-day-by-age/
