Throughout most of its history, Istanbul has ranked among the largest cities in the world.

In part, these reasons contribute to the fact that it is consistently ranked among the most livable cities in the world.

New York City, rated excellent by 16 percent of respondents, ranked 14th among the cities, down from seventh place in the 1987 survey.

Camden has been ranked among the most dangerous cities in the United States in 2002, 2004, 2005, and 2009.

St. Louis also was not ranked among the ten worst cities for auto theft by Forbes in 2011.

Madrid also ranks among the 12 greenest European cities in 2010.

Today it ranks among the most expensive cities for living in the world.

Newark, at $30,711, ranked seventh from the bottom, just below New Orleans, among the biggest cities.

Seattle, often rated the most livable city in America, now ranks among the top five worst cities for traffic congestion.

For several years, Milwaukee ranked among the ten most dangerous large cities in the United States.