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 | Percent | Class | Rank | Percent of world reserves | Value | Extent of U.S., 1803 | Louisiana Purchase, 1803 | West Florida, 1810–1813 | British Cession, 1818 | East Florida, 1819 | Northern Maine, 1842 | Texas Annexation, 1845 | Oregon Country, 1846 | Mexican Cession, 1848 | Gadsden Purchase, 1853 | Alaska, 1867 | Hawaii, 1898 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 91.6% | 79.0% | 7.81% | 30.8% | 98.3% | 16.6% | 50.1% | 57.7% | 66.4% | 12.6% | 63.8% | 91.5% | |||||||||||
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