A world map showing male-female ratios. Dark blue to light blue (1 to more than 1): Saudi Arabia, China, Sudan. Orange to red (0.83 to 0.95): Mongolia, Colombia, Ukraine, Russia, U S A, Brazil, and Australia. The region near the South Pole has no data.
Class | Rank | Ratio of males to females | 2000–3,999 m | 500–1,999 m | 200–499 m | 1–199 m | Below sea level to 0 m | Lowest hazard | Low hazard | Moderately low hazard | Moderate hazard | Moderately high hazard | High hazard | Highest hazard | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6.85% | 9.03% | 23.5% | 9.18% | 0.840% | 26.4% | 18.4% | 16.6% | 29.2% | 5.20% | 4.36% | 7.41% | ||||
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