International norms from 2.4 million adults put peak grip at 49.7 kg in men and 29.7 kg in women
International grip strength norms by age and sex
The finding
Peak grip is 49.7 kg in men and 29.7 kg in women, at ages 30–39. Median grip for men is 48.8 kg at 40–44 and 37.7 kg at 70–74; for women 29.4 kg and 23.6 kg.
- Authors
- Tomkinson GR, Lang JJ, Rubín L, et al. (iGRIPS)
- Published
- Journal of Sport and Health Science 14:101014 · 2025
- Evidence
- Read in the primary source; numbers checked.
- Source
- doi.org/10.1016/j.jshs.2024.101014
How it was studied
Systematic review of 100 studies: 2,405,863 adults aged 20–100+ in 69 countries, tested from 2000 on. Values were harmonised to one reference protocol (hydraulic dynamometer, seated, elbow flexed, both hands, three reps, maximum).
The numbers
More medians (P50): men 50–54 46.2, 60–64 42.4, 80–84 32.3 kg; women 50–54 28.2, 60–64 26.2, 80–84 20.4 kg.
Typical decline per decade was 2.8 kg (men) and 1.4 kg (women) in middle adulthood, and 5.6 kg and 3.5 kg in late adulthood. Adjustment factors between protocols ranged from under 1% to 10% for device and position, and up to 17% for how the result was reported.
What it does not show
The norms are pseudo-data rebuilt by simulation from published summaries. Populations differ a lot between countries.
What Longstanding does with it
This is the strongest current grip reference, in five-year age groups. The app still uses Dodds by decade, so a percentile can step at 40, 50 and so on. This site says which table scored you.