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 | Strongest | Second strongest | Middle | Second weakest | Weakest | Silver | very high (>300) | high (100–300) | medium (20–100) | low (2–20) | very low (<2) | high (100–300) | medium (20–100) | low–very low (<20) | very high–high (>100) | medium–very low (<100) | Virgil C Summer nuclear power plant | River Bend nuclear power plant | Clinton nuclear power plant | Donald C Cook nuclear power plant | Catawba nuclear power plant | Columbia nuclear power plant | Limerick nuclear power plant | Diablo Canyon nuclear power plant | Sequoyah nuclear power plant | LaSalle nuclear power plant | Byron nuclear power plant | Watts Bar nuclear power plant | McGuire nuclear power plant | Alvin W Vogtle nuclear power plant | Braidwood nuclear power plant | Comanche Peak nuclear power plant | Waterford nuclear power plant | Browns Ferry nuclear power plant | Callaway nuclear power plant | Wolf Creek nuclear power plant | Seabrook nuclear power plant | Susquehanna nuclear power plant | South Texas nuclear power plant | Peach Bottom nuclear power plant | Palo Verde nuclear power plant | Grand Gulf nuclear power plant | Prairie Island nuclear power plant | Robert Emmett Ginna nuclear power plant | Point Beach nuclear power plant | Nine Mile Point nuclear power plant | Monticello nuclear power plant | H. B. Robinson nuclear power plant | Cooper nuclear power plant | Turkey Point power station | Bruce nuclear power plant | James A Fitzpatrick nuclear power plant | Surry nuclear power plant | Oconee nuclear power plant | Arkansas Nuclear One nuclear power plant | Calvert Cliffs nuclear power plant | Edwin I Hatch nuclear power plant | Joseph M Farley nuclear power plant | Millstone nuclear power plant | Davis Besse nuclear power plant | Dresden nuclear power plant | Quad Cities nuclear power plant | Beaver Valley nuclear power plant | Brunswick nuclear power plant | Shearon Harris nuclear power plant | North Anna nuclear power plant | |
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1.3846153846153846 | 1.8 | 1.25 | 1.3846153846153846 | 2.8333333333333335 | 73.81481481481481 | 6.63% | 17.7% | 9.02% | 11.0% | 16.0% | 11.5% | 10.1% | 12.7% | 26.5% | 24.8% | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |