Derived from male and female life expectancy at birth from sources such as: (1) United Nations Population Division. Use the assigned data series variables (a, b, c, etc.) together with operators ( , -, *, /, ^, etc.), parentheses , and constants (1, 1.5, 2, etc.) to create your own formula (e.g., 1/a, a-b, (a b)/2, (a/(a b c))*100).World Population Prospects, (2) United Nations Statistical Division. As noted above, you may add other data series to this line before entering a formula.

Women who join gangs because they are dating a gang member, meanwhile, get an automatic in and are treated respectfully by the rest of the gang.

However, they are expected to tolerate frequent infidelity from their partner and if they reciprocate the practice, they may be killed.

As of 2012, El Salvador had the highest femicide rate in the world.

According to the country's former security minister, the rise in femicides coincided with the increasing entry of women into gangs.

The unequal treatment of women is seen in gang initiation practices.

While men are subjected to a beating, women are given the choice between this and sustaining sexual relations with multiple gang members for an equivalent length of time, but they are later harassed if they choose the second option.

In Mexico, which saw a 400 percent increase in the number of women jailed in relation to drug trafficking between 20, women are moving even higher up the organized crime hierarchy.

In 2012, the army reported that women were occupying increasingly important positions in the Gulf Cartel, both carrying out assassinations and doing management and administration work.

A 2012 study in Honduras found that women made up 20 percent of gang membership, with nearly all of these connected to the MS13 or Barrio 18 -- 52 percent and 45 percent, respectively.

In Guatemala, the number of female prisoners has doubled in the past eight years, which experts say is connected to their increased role in criminal groups, which they are often drawn into through family or romantic ties.

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