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 | Approximate Form and Extent of Outcrop of Carbonate Rocks | Lead Mines | 160 in and over | 110–159 in | 60–109 in | 30–59 in | 15–29 in | Under 15 in | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5.56% | 37.15625 | 5.03% | 8.85% | 24.9% | 28.9% | 11.4% | 61.0% | ||||
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