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 | Ultisols | Aridisols | Histosols | Entisols | Rocky Land | Alfisols | Spodosols | Gelisols | Inceptisols | Andisols | Vertisols | Mollisols | Ice/Glacier | 4.50–4.59 pH | 4.60–4.69 pH | 4.70–4.79 pH | 4.80–4.89 pH | 4.90–4.99 pH | 5.00–5.09 pH | 5.10–5.19 pH | 5.20–5.29 pH | ≥5.30 pH | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 29.2% | 9.16% | 4.00% | 5.44% | 0.754% | 6.87% | 5.89% | 3.80% | 7.01% | 1.28% | 2.72% | 23.6% | 5.25% | 4.29% | 14.4% | 23.8% | 24.2% | 18.5% | 16.1% | 11.6% | 6.63% | 81.6% | ||||
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