The human body contains an average number of cells

the verdict

SUPPORTED

the evidence backs this

Recorded sources

4 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Scientific studies and references confirm that the human body contains an average of roughly 30 trillion cells.

The analysis

Judged against statistical and reference sources.

Evidence for · 4

Wikipedia: Human body

Recorded source metadata

Wikipedia: Human body. Wikipedia. https://en.wikipedia.org/wiki/Human_body

Reference article covering this claim directly

Source citation format

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More for · 3

pnas.org: The human cell count and size distribution

Recorded source metadata

pnas.org: The human cell count and size distribution. pnas.org. https://www.pnas.org/doi/10.1073/pnas.2303077120

Discusses compiling datasets to estimate cell count across the whole human body.

Source citation format

nigms.nih.gov: Cells by the Numbers | National Institute of General Medical Sciences

Recorded source metadata

nigms.nih.gov: Cells by the Numbers | National Institute of General Medical Sciences. nigms.nih.gov. https://nigms.nih.gov/biobeat/2024/09/cells-by-the-numbers-2

States adults have about 30 trillion cells on average.

Source citation format

pmc.ncbi.nlm.nih.gov: Revised Estimates for the Number of Human and Bacteria Cells in the Body - PMC

Recorded source metadata

pmc.ncbi.nlm.nih.gov: Revised Estimates for the Number of Human and Bacteria Cells in the Body - PMC. pmc.ncbi.nlm.nih.gov. https://pmc.ncbi.nlm.nih.gov/articles/PMC4991899/

Addresses estimates for the number of human cells in the body.

Source citation format

The paper trail · every fact has a biography

first checked01 Aug 2026

judged → SUPPORTED · 7501 Aug 2026

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