This chart ranks the ten most abundant chemical elements in Earth's continental crust, measured as a percentage of the crust's total mass. Just two elements, oxygen and silicon, account for roughly three-quarters of everything beneath our f...
About: Most Abundant Elements in Earth's Crust
Overview of the data behind this chartAI Insight
Oxygen dominates Earth's crust at 46.1% by mass, and together with silicon (28.2%) the two elements make up about 74% of the entire crust. This reflects the crust's silicate-mineral chemistry, where oxygen bonds with silicon and metals to form rock. Aluminium (8.23%) and iron (5.63%) are the most abundant metals, followed by calcium, sodium, magnesium and potassium, each between 2% and 4%. There is a sharp drop after potassium: titanium falls to 0.565% and hydrogen to just 0.14%. The top eight elements alone account for over 99% of the crust by mass, showing how few elements build almost all common rocks and minerals.
Key Findings
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Most Abundant Elements in Earth's Crust
Data Insights
Numbers, trends & sources behind this chartCategory Rankings
Abundance in Earth's Crust (% by mass) · All Time| # | Category | All Time |
|---|---|---|
| 🥇 | Oxygen | 46.10 |
| 🥈 | Silicon | 28.20 |
| 🥉 | Aluminium | 8.23 |
| 4 | Iron | 5.63 |
| 5 | Calcium | 4.15 |
| 6 | Sodium | 2.36 |
| 7 | Magnesium | 2.33 |
| 8 | Potassium | 2.09 |
| 9 | Titanium | 0.57 |
| 10 | Hydrogen | 0.14 |
What This Data Shows
Auto-generated trend summaries per categoryFull Data Table
10 records across 1 yearData Sources & References
All external sources cited in this datasetRelated Charts
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