0 0 0 ▁inhabitants . ▁ ▁Peru ▁ ▁The ▁Lima ▁metropol itan ▁area ▁is ▁Peru ' s ▁capital ▁and ▁largest ▁city ▁with ▁over ▁ 1 0 ▁million ▁inhabitants , ▁more ▁than ▁one ▁third ▁of ▁the ▁total ▁national ▁population . ▁ ▁United ▁States ▁▁ ▁In ▁the ▁United ▁States , ▁an ▁incorpor ated ▁area ▁or ▁group ▁of ▁areas ▁having ▁a ▁population ▁more ▁than ▁ 5 0 , 0 0 0 ▁is ▁required ▁to ▁have ▁a ▁metropol itan ▁planning ▁organization ▁in ▁order ▁to ▁facil itate ▁major ▁infrastr ucture ▁projects ▁and ▁to ▁ensure ▁financial ▁sol ven cy . ▁Thus , ▁a ▁population ▁of ▁ 5 0 , 0 0 0 ▁or ▁greater ▁has ▁been ▁used ▁as ▁a ▁de ▁fact o ▁standard ▁to ▁define ▁a ▁metropol is ▁in ▁the ▁United ▁States . ▁A ▁similar ▁definition ▁is ▁used ▁by ▁the ▁United ▁States ▁Census ▁Bureau . ▁The ▁b ureau ▁defines ▁a ▁Metropolitan ▁Statist ical ▁Area ▁as ▁" at ▁least ▁one ▁urban ized ▁area ▁of ▁ 5 0 , 0 0 0 ▁or ▁more ▁inhabitants ." ▁The ▁six ▁largest ▁metropol itan ▁areas ▁in ▁the ▁USA ▁are ▁New ▁York ▁City , ▁Los ▁Angeles , ▁Chicago , ▁Dallas , ▁Houston , ▁and ▁Washington , ▁D . C ., ▁with ▁New ▁York ▁City ▁being ▁the ▁largest . ▁ ▁Asia ▁ ▁Afghan istan ▁The ▁capital ▁city , ▁Kab ul , ▁has ▁grown ▁to ▁become ▁the ▁country ' s ▁sole ▁metropol is , ▁and ▁is ▁the ▁only ▁city ▁with ▁more ▁than ▁one ▁million ▁people . ▁ ▁Bang l adesh ▁▁ ▁In ▁the ▁People ' s ▁Republic