Conicity Index: Males, Age 55-59

Page updated: Evidence reviewed: What this means

What these numbers mean

A value around 1.342 index is typical (50th percentile) for males in this age group. The middle 50% of the reference population fall between about 1.297 index and 1.388 index; values below or above that central range sit in the lower or upper half of the distribution.

These are US population percentiles pooled across NHANES survey periods from 2015 through 2023. They describe how a value ranks within the same sex and age bracket; they are not diagnostic cut-offs.

Also see: 50-54 · 60-64 · All ages

Data source: NHANES (CDC), derived Conicity Index percentiles (2026) · n=772 About this study

Reference population: US adults aged 20 and over from NHANES survey periods spanning 2015-2023 after excluding participants recorded as pregnant, nationally representative

Conicity Index Body Composition Males 55-59

Conicity Index Percentile Chart (index)

Very low 1.225 index
Low 1.297 index
Average 1.342 index
High 1.388 index
Very high 1.464 index
Conicity Index percentile distribution chart for Males, age 55-59 5th 5th: 1.225 index (Very low) 1.225 Very low 25th 25th: 1.297 index (Low) 1.297 Low 50th 50th: 1.342 index (Average) 1.342 Average 75th 75th: 1.388 index (High) 1.388 High 95th 95th: 1.464 index (Very high) 1.464 Very high 0 0.3 0.6 1.0 1.3 1.6 index Conicity Index percentile distribution chart for Males, age 55-59 5th 5th: 1.225 index (Very low) 1.225 Very low 25th 25th: 1.297 index (Low) 1.297 Low 50th 50th: 1.342 index (Average) 1.342 Average 75th 75th: 1.388 index (High) 1.388 High 95th 95th: 1.464 index (Very high) 1.464 Very high 0 0.3 0.6 1.0 1.3 1.6 index

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

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Other age brackets
20-2425-2930-3435-3940-4445-4950-5460-6465-6970-7475-7980+ All
Females data Females, 55-59
Age trend

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