Physiological Density
WorldPopulationAgriculturePhysiological population density, or the number of persons per unit area of arable land, by country.
FAOA world map showing physiological density. Dark red (more than 2,500): Egypt, Yemen, South Korea, Greenland, Guinea. Red to light red (500 t0 2,500): China, Saudi Arabia, Mexico, India, Iran. Very light red (less than 500): Canada, U S A, Russia.
Class | Rank | People per square kilometer | Class | Rank | Gallons per person | Risk level 1 (very low) | Risk level 2 | Risk level 3 (low) | Risk level 4 | Risk level 5 (moderate) | Risk level 6 | 2.0 to 3.0 | 3.0 to 4.0 | 4.0 to 5.0 | 5.0 to 7.0 | 7.0 to 9.0 | 9.0 to 11.0 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 49.2% | 8.45% | 12.0% | 18.7% | 9.20% | 0.891% | 4.46% | 9.15% | 35.6% | 57.0% | 46.5% | 13.9% | |||||||
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