Place of Work--MCD Level--For the United States:  1990 Census
+-------------------------------------------------+----------------------+
|Place of Work--MCD Level                         |      Number  Percent |
+-------------------------------------------------+----------------------+
|    Workers 16 years and over....................| 115,070,274    100.0 |
|Living in the nine Northeastern States...........|  23,929,932     20.8 |
|  Worked in the MCD of residence.................|   8,379,095      7.3 |
|  Worked outside the MCD of residence............|  15,550,837     13.5 |
|Not living in the nine Northeastern States.......|  91,140,342     79.2 |
+-------------------------------------------------+----------------------+

Place of Work--MCD Level--For the United States:  1980 Census
+-------------------------------------------------+----------------------+
|Place of Work--MCD Level                         |      Number  Percent |
+-------------------------------------------------+----------------------+
|    Workers 16 years and over................... |  96,672,203      ... |
|      Workers who reported a place of work...... |  94,951,717    100.0 |
|Living in the nine Northeastern States.......... |  19,203,860     20.2 |
|  Worked in the MCD of residence................ |   7,335,062      7.7 |
|  Worked outside the MCD of residence........... |  11,868,798     12.5 |
|  Place of work not reported.................... |   1,720,486      ... |
|Not living in the nine Northeastern States...... |  75,747,857     79.8 |
+-------------------------------------------------+----------------------+
 ...  Not applicable.

 Source:  1990 Census of Population, STF3C.
 Source:  1980 Census of Population, STF3C.
 Contact:  Journey-to-Work and Migration Statistics Branch, Population
           Division, U.S. Bureau of the Census, (301) 457-2454.