More than 50 percent of that group's income growth came from women.
Even concentrated income growth, however, may help the economy in coming months.
The statistics on real income growth have looked bad for years.
Over the same period, personal income growth has risen by just 7.5 percent each year.
These policies worked in the 1950s precisely because the real income growth was there to support them.
Income growth had slowed, and the economy was growing only slightly.
But the economy is still missing three things: jobs, income growth and profits.
The national rate of per-capita income growth was 5.3 percent.
But, at this point, it looks like consumers will not buy enough in 1988 to give corporations a year of strong income growth.
The lack of income growth makes it difficult to increase spending.