Benchmark · HRV

HRV Normative Data by Age

RMSSD reference values stratified by age group and sex, based on Shaffer & Ginsberg (2017) and Altini & Kinnunen (2021).

RMSSD percentile table by age — Males

Age10th %ile25th %ile50th %ile (Median)75th %ile90th %ile
18–252838557085
26–352232486275
36–451827405365
46–551422334455
56–651118283746
66+814223138

RMSSD percentile table by age — Females

Age10th %ile25th %ile50th %ile (Median)75th %ile90th %ile
18–253042607690
26–352435526680
36–451929435768
46–551524364858
56–651219304048
66+915243240

Sources: Shaffer F, Ginsberg JP. Front Public Health. 2017. Altini M, Kinnunen H. JMIR Form Res. 2021. Values represent overnight RMSSD in milliseconds.

How to read this table: Find your age row. If your RMSSD is at the 50th percentile (median), half the population of your age group has a lower value and half have a higher value. The 25th–75th percentile range contains the middle 50% of healthy adults.
Not medical advice: Benchmark data is for educational reference only. Consult a qualified clinician for health concerns.