LabNorms Population Percentiles

Red Blood Cell Count (RBC)

Males, Age 20-29

The median RBC for males aged 20-29 in the US population is 5.12 million cells/uL, with 90% of the population falling between 4.48 and 5.72.

NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 571 participants · Unit: million cells/uL

Percentile Distribution

Percentile P5P25P50P75P95
Value (million cells/uL) 4.5 4.9 5.1 5.3 5.7
4.5 4.9 5.1 5.3 5.7
P5 P25 P50 P75 P95

Data and Methodology

Dataset
NHANES 2017-March 2020 Pre-Pandemic ( NHANES 2017–2020 2020 , Survey-weighted percentiles from pre-pandemic MEC sample)
Survey years
2017-2020
Sample size
571 participants
Reference population
US civilian non-institutionalized males aged 20-29 from NHANES 2017-March 2020. Includes the full population (not restricted to healthy individuals) to reflect the population distribution.
Exclusion criteria
  • Missing RBC measurement (LBXRBCSI)
  • Missing or zero MEC sample weight (WTMECPRP)
  • Age outside 20-29 range
Notes
Percentiles computed using survey-weighted analysis (WTMECPRP weight from the pre-pandemic combined file). RBC measured as LBXRBCSI in million cells/uL.

Other Demographic Groups