Geography
Pie Chart of Earth's Surface: Land vs Water
Last reviewed on 2026-05-22.
Geography — verifiable data, editable template
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Earth's surface is roughly 71% water and 29% land. This proportion is a fundamental geographic constant, derived from satellite measurements of the planet's total surface area (~510 million km²).
The data
- Water — 71 %
- Land — 29 %
Source
NOAA / NASA Earth surface measurements.
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