English: Change in total number of manufacturing jobs in metropolitan areas, 1954/1958-2002. Data from the 1958 Census of Manufactures had to be used for New England, due to changes in counting methods. (All other figures are from 1954.) Boundaries reflect 2002 metropolitan areas; numbers have been adjusted accordingly, and new metropolitan areas left out. The national average over this period was —8.65%.

KEY: Green=greater than 60% growth in manufacturing jobs Light green=54.4% growth to 7.5% decrease Yellow=8.7% to 29.1% decrease Pink=31.2% to 43.2% decrease Red=43.6% to 56.2% decrease Maroon=58% to 88.6% decrease

Sources: 1958 Census of Manufactures and 2002 Economic Census.