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 | Value | Value | Class | Rank | Value | Settled by 400 CE | Settled by 800 CE | |
---|---|---|---|---|---|---|---|---|---|---|---|
2.52% | 2.28% | 58.3% |
0.16.0