Biology
Pie Chart of Cells in the Human Body by Type
Last reviewed on 2026-05-22.
Biology — verifiable data, editable template
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The human body contains about 37 trillion cells. Red blood cells make up the overwhelming majority by count — roughly 84% of all cells.
The data
- Red blood cells — 84 %
- Platelets — 4.9 %
- Bone marrow cells — 2.5 %
- Other tissue cells — 8.6 %
Source
Bianconi et al. 2013 (Annals of Human Biology).
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