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 | Value | Specialty crop or livestock farming | Mixed farming | Commercial wheat and other small grain farming | Dairy farming | General farming | Livestock ranching | Irrigated agriculture | Mediterranean agriculture (with irrigation) | Nonfarming | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.52% | 11.5% | 43.3% | 21.9% | 22.8% | 19.7% | 16.2% | 48.0% | 3.25% | 42.1% | 2.53% | |||||
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