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 | ABERDEEN | ALBANY | ALBUQUERQUE | ALTUS AFB | AMARILLO | ANDREWS AFB | ATLANTA | AUSTIN SAN ANTONIO | BALTIMORE WASHINGTON | BEALE AFB | BETHEL FAA | BILLINGS | BINGHAMTON | BIRMINGHAM | BISMARCK | BOISE | BOSTON | BROWNSVILLE | BUFFALO | BURLINGTON | CANNON AFB | CEDAR CITY | CHARLESTON | CHARLOTTE | CHEYENNE | CHICAGO MIDWAY | CHICAGO OHARE | CHICAGO | CINCINNATI | CLEVELAND | COLUMBIA | COLUMBUS AFB | COLUMBUS | CORPUS CHRISTI | COVINGTON | DALLAS FT WORTH | DALLAS LOVE FIELD | DALLAS | DAVENPORT | DAYTON | DENVER FRONT RANGE AP | DENVER | DES MOINES | DETROIT | DODGE CITY | DOVER AFB | DULUTH | DYESS AFB | EDWARDS | EGLIN AFB | EL PASO | ELKO | EUREKA | EVANSVILLE | FAIRBANKS | FLAGSTAFF | FORT CAMPBELL | FORT DRUM | FORT HOOD | FORT POLK | FORT RUCKER | FORT SMITH | FORT WAYNE | FT LAUDERDALE | GAYLORD | GLASGOW | GOODLAND | GRAND FORKS | GRAND JUNCTION | GRAND RAPIDS | GREAT FALLS | GREEN BAY | GREER | HASTINGS | HOLLOMAN AFB | HOULTON | HOUSTON HOBBY | HOUSTON INTERNATIONAL | HOUSTON | HUNTSVILLE | INDIANAPOLIS | JACKSON BRANDON | JACKSON | JACKSONVILLE | KAMUELA | KANSAS CITY | KING SALMON | KNOXVILLE | LA CROSSE | LAKE CHARLES | LANGLEY HILL NW WASHINGTON | LAS VEGAS | LAUGHLIN AFB | LINCOLN | LITTLE ROCK | LOS ANGELES | LOUISVILLE | LUBBOCK | MARQUETTE | MAXWELL AFB | MEDFORD | MELBOURNE | MEMPHIS | MIAMI | MIDLAND ODESSA | MILWAUKEE | MINNEAPOLIS | MINOT AFB | MISSOULA | MOBILE | MOLOKAI | MOODY AFB | MOREHEAD CITY | NASHVILLE | NEW ORLEANS | NEW YORK CITY | NEWARK | NOME | NORFOLK RICH | NORMAN NSSL | NORMAN WFO | NORTH PLATTE | OKLAHOMA CITY | OMAHA | ORLANDO INTERNATIONAL | PADUCAH | PENDLETON | PHILADELPHIA | PHOENIX | PITTSBURGH | POCATELLO | PORTLAND | PUEBLO | RALEIGH DURHAM | RALEIGH | RAPID CITY | RENO | RIVERTON | ROANOKE | ROBINS AFB | ROC FAA REDUNDANT RDA 1 | SACRAMENTO | SALT LAKE CITY | SAN ANGELO | SAN DIEGO | SAN FRANCISCO | SAN JOAQUIN VALLEY | SANTA ANA MOUNTAINS | SEATTLE | SHREVEPORT | SIOUX FALLS | SOUTH SHORE | SPOKANE | SPRINGFIELD | ST LOUIS | STATE COLLEGE | STERLING | TALLAHASSEE | TAMPA | TOPEKA | TUCSON | TULSA | VANCE AFB | VANDENBERG AFB | WASHINGTON DULLES | WASHINGTON NATIONAL | WEST PALM BEACH | WICHITA | WILMINGTON | YUMA | |
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6.85% | 9.03% | 23.5% | 9.18% | 0.840% | 26.4% | 18.4% | 16.6% | 29.2% | 5.20% | 4.36% | 7.41% | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 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 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 |