Funny how some boats don't rise

For some, the tide's always going out.

Income inequality grew significantly in 2005, with the top 1 percent of Americans — those with incomes that year of more than $348,000 — receiving their largest share of national income since 1928, analysis of newly released tax data shows.

The top 10 percent, roughly those earning more than $100,000, also reached a level of income share not seen since before the Depression.

While total reported income in the United States increased almost 9 percent in 2005, the most recent year for which such data is available, average incomes for those in the bottom 90 percent dipped slightly compared with the year before, dropping $172, or 0.6 percent.

The gains went largely to the top 1 percent, whose incomes rose to an average of more than $1.1 million each, an increase of more than $139,000, or about 14 percent.

The new data also shows that the top 300,000 Americans collectively enjoyed almost as much income as the bottom 150 million Americans. Per person, the top group received 440 times as much as the average person in the bottom half earned, nearly doubling the gap from 1980.

Seems to me, the bottom 150 million did not "enjoy" their income quite the way the top 300,000 did. Money may not buy happiness, but it comes in pretty handy in the "enjoyment" arena.

And it always gives me a warm feeling when we achieve income disparity levels not seen since the last years of the 1920s. We all know how that glorious era turned out.

Because the incomes of those at the top have grown so much more than those below them, their share of total income tax revenue has risen despite the reduced rates.

The analysis by the two professors showed that the top 10 percent of Americans collected 48.5 percent of all reported income in 2005.

That is an increase of more than 2 percentage points over the previous year and up from roughly 33 percent in the late 1970s. The peak for this group was 49.3 percent in 1928.

The top 1 percent received 21.8 percent of all reported income in 2005, up significantly from 19.8 percent the year before and more than double their share of income in 1980. The peak was in 1928, when the top 1 percent reported 23.9 percent of all income.