Body Roundness Index (BRI): Males, Age 80+

What these numbers mean

A value around 5.42 index is typical (50th percentile) for males in this age group. The middle 50% of the reference population fall between about 4.65 index and 6.63 index; values below or above that central range sit in the lower or upper half of the distribution.

Also see: 75-79 · All ages

Data source: NHANES (CDC) — derived BRI percentiles (2026) · n=5.8K About this study

Body Roundness Index (BRI) Body Composition Males 80+

Body Roundness Index (BRI) Percentile Chart (index)

Very low 3.58 index
Low 4.65 index
Average 5.42 index
High 6.63 index
Very high 8.42 index
Body Roundness Index (BRI) percentile distribution chart for Males, age 80+ 5th 5th: 3.58 index (Very low) 3.58 Very low 25th 25th: 4.65 index (Low) 4.65 Low 50th 50th: 5.42 index (Average) 5.42 Average 75th 75th: 6.63 index (High) 6.63 High 95th 95th: 8.42 index (Very high) 8.42 Very high 0 2.4 4.8 7.2 9.6 12 index Body Roundness Index (BRI) percentile distribution chart for Males, age 80+ 5th 5th: 3.58 index (Very low) 3.58 Very low 25th 25th: 4.65 index (Low) 4.65 Low 50th 50th: 5.42 index (Average) 5.42 Average 75th 75th: 6.63 index (High) 6.63 High 95th 95th: 8.42 index (Very high) 8.42 Very high 0 2.4 4.8 7.2 9.6 12 index

This percentile chart shows how common a value is, not whether it is healthy.

Compare

Other age brackets
20-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-79 All
Females data Females, 80+
Age trend

Related Metrics