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 | Cleveland | Hood | Hualalai | Kilauea | Mauna Loa | Novarupta | Okmok | Redoubt | Shishaldin | Spurr | St. Helens | Vsevidof | Westdahl | Yellowstone | Approximate Form and Extent of Outcrop of Carbonate Rocks | 20–29°F | 30–39°F | 40–49°F | 50–54°F | 55–59°F | 60–64°F | 65–70°F | More than 70°F | 0 to 2°C | 3 to 5°C | 6 to 8°C | 9 to 11°C | 12 to 14°C | 15 to 17°C | 18 to 20°C | 21 to 23°C | 24 to 26°C | 27 to 29°C | over 30°C | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 1 | 14 | 3 | 1 | 1 | 1 | 2 | 1 | 2 | 1 | 1 | 1 | 5.56% | 6.56% | 12.0% | 27.1% | 11.3% | 22.7% | 28.5% | 31.4% | 17.9% | 14.8% | 25.4% | 10.6% | 12.2% | 37.9% | 33.5% | 14.5% | 25.6% | 56.1% | 14.6% | 16.4% | ||||
0.16.0