← All lists

Top 5 most abundant elements in the human body (by mass)

evergreen

The 5 most abundant elements in the human body (by mass) by mass fraction of the body: Oxygen, Carbon, Hydrogen, Nitrogen, Calcium.

Snapshot · 2026-11-09

Today's five picks, one great list, and today's game. Free, every evening.

  1. 1

    Oxygen

    ~65%

  2. 2

    Carbon

    ~18%

  3. 3

    Hydrogen

    ~10%

  4. 4

    Nitrogen

    ~3%

  5. 5

    Calcium

    ~1.5%