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 | Class | Rank | Million Metric Tons | Acid Rain | Polluted air emissions leading to acid rain | Lowest hazard | Low hazard | Moderately low hazard | Moderate hazard | Moderately high hazard | High hazard | Highest hazard | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31.3% | 37.1% | 26.4% | 18.4% | 16.6% | 29.2% | 5.20% | 4.36% | 7.41% | |||||||
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