http://www.unz.com/jderbyshire/buoyant- ... countries/Port-au-Prince, Haiti, is one of the largest cities in the world without a central sewage system. There are no sewers connecting sinks, showers and toilets to hulking wastewater treatment plants. Most of the more than 3 million people in the metro area use outhouses, and much of that waste ends up in canals, ditches and other unsanitary dumping grounds where it can contaminate drinking water and spread disease.
According to a bit of quick research and investigation by John Derbyshire, whatever Trump called those nations he was correct.
Feel free to check out the link and the embedded links within - if you dare.