Not really the case when you consider the huge rural population of the past and that the 20th century saw huge amounts of urbanization in the US (where 'urbaniz

Not really the case when you consider the huge rural population of the past and that the 20th century saw huge amounts of urbanization in the US (where 'urbanization' = developed areas and includes suburbs). The lower-density suburbs are still growing at a decent pace 1990-2013 and on especially in the South/West, but what defines a suburb is no longer the 1950s version and and incorporating urban/city-like elements now