PMSA CMSA 2003
| TYPE | Type | Type | |
| STATE | State | State | |
| PMSA | Primary MSA | Primary Metropolitan Statistical Area - the component areas that comprise a CMSA (76 PMSAs as of 1995). (list) | |
| CMSA | Consolidated MSA | Consolidated Metropolitan Statistical Area - by definition is an MSA with one million population or more. Separate component areas (PMSAs) must be defined within an MSA for the entire area to be designated a CMSA (19 CMSAs as of 1995). (list) |