The Hispanic population is comparatively less skewed, with 27 congressional Democrats and eight Republicans.

CNN: GOP's surprising edge on diversity

The figures may be skewed by the city's fluid population numbers, and murders did decrease in 2008, but the link between the rampant violence and drugs is clear.

FORBES: Narcotics

The influx of "bachelor" labourers has skewed the gender balance: women are now just one-quarter of the population.

BBC: Qatar's delicate balancing act