A world map shows high (dark blue) urban population in America, Australia, parts of the Middle East, Southeast Asia; moderate (blue) in parts of Africa, Asia, and Eastern Europe; low (light blue) in Central/South Asia, and Sub-Saharan Africa.
Class | Rank | Percent | Major Iron-Producing Areas in North America | Oil Shale or Tar Sands | Class | Rank | Years | No data | Arid and low water use | Low (<10%) | Low-medium (10-20%) | Medium-high (20-40%) | High (40-80%) | Extremely high (>80%) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.52% | 11.5% | 0.654% | 3.65% | 47.2% | 4.86% | 6.22% | 9.97% | 14.9% | |||||||
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