Fact · Sleep
Adult OSA prevalence (%): Japan, 2019
Dental Market Radar Editorial Team · Updated · Data as of
In 2019, the prevalence of obstructive sleep apnea among adults in Japan was 14.0%, according to Lancet Respiratory Medicine Estimation of the global prevalence and burden of obstructive sleep apnoea. Basis: estimate.
Comparability C Confidence low
Cite this
Lancet Respiratory Medicine (peer-reviewed). (2026). Adult OSA prevalence (%): Japan, as of 2019-08-31 [Data set]. Compiled by Dental Market Radar. https://dentalmarketradar.com/data/jp/osa-prevalence-adult-pct/2019/
Permanent URL: https://dentalmarketradar.com/data/jp/osa-prevalence-adult-pct/2019/. Licensed under CC BY 4.0.
Record
- Value
- 14.0%
- Exact stored value
- 14%
- Unit
- percent
- As of
- Accessed
- Revision
- 1
- Confidence
- low
- Method
- estimate
- Basis
- estimate
- Scope
- estimate
- Comparability
- Comparability C C: different basis; use with caution when comparing
- Status
- Latest record for this market and metric
Source quote
Japan 67 496 374 22 092 507 (32·7%) 9 435 205 (14·0%)
English: Japan: population aged 30-69 67,496,374; AHI>=5 22,092,507 (32.7%); AHI>=15 9,435,205 (14.0%).
Locator: Appendix table, Japan row (as reproduced on PMC)
Local definition
Adults aged 30-69 with obstructive sleep apnoea, AHI >=15 events/hour (modelled)
Source
Lancet Respiratory Medicine (peer-reviewed): Estimation of the global prevalence and burden of obstructive sleep apnoea (Lancet Respir Med 2019). Registry entry: jp-benjafield-2019.
Notes
Modelled estimate (literature-based, Japan input study: Nakayama-Ashida 2008, men only, age 23-59), age 30-69, AHI >=15 (moderate to severe): 9,435,205 of 67,496,374 = 14.0%. AHI >=5: 32.7%. Not a national survey; not all adults.
Metric definition
Adult obstructive sleep apnea prevalence All markets for this metric.
History
| Year | Value | Basis | As of | Comparability | Source | Series break |
|---|---|---|---|---|---|---|
| 2019 | 14.0% | estimate | Comparability C | Estimation of the global prevalence and burden of obstructive sleep apnoea (Lancet Respir Med 2019) |
Please also cite the original source above.