Conicity Index: Females, Age 20-24

Page updated: Evidence reviewed: What this means

What these numbers mean

A value around 1.221 index is typical (50th percentile) for females in this age group. The middle 50% of the reference population fall between about 1.169 index and 1.281 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: 25-29 · All ages

Data source: NHANES (CDC), derived Conicity Index percentiles (2026) · n=627 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 Females 20-24

Conicity Index Percentile Chart (index)

Very low 1.100 index
Low 1.169 index
Average 1.221 index
High 1.281 index
Very high 1.395 index
Conicity Index percentile distribution chart for Females, age 20-24 5th 5th: 1.100 index (Very low) 1.100 Very low 25th 25th: 1.169 index (Low) 1.169 Low 50th 50th: 1.221 index (Average) 1.221 Average 75th 75th: 1.281 index (High) 1.281 High 95th 95th: 1.395 index (Very high) 1.395 Very high 0 0.3 0.6 1.0 1.3 1.6 index Conicity Index percentile distribution chart for Females, age 20-24 5th 5th: 1.100 index (Very low) 1.100 Very low 25th 25th: 1.169 index (Low) 1.169 Low 50th 50th: 1.221 index (Average) 1.221 Average 75th 75th: 1.281 index (High) 1.281 High 95th 95th: 1.395 index (Very high) 1.395 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
25-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980+ All
Males data Males, 20-24
Age trend

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