Real Median Household Income Declines 0.73% In March

 | Apr 25, 2014 01:39AM ET

Summary: The Sentier Research monthly median household income data series is now available for March. The nominal median household income was up $285 month-over-month and up only $1,494 year-over-year. Adjusted for inflation, it declined 0.73% MoM but is up 1.3% YoY.

The previous monthly gain was the second largest of the 171 data points in this series since the turn of the century. The latest number erased much of that gain. In real dollar terms, the median annual income is 7.5% lower (about $4,309) than its interim high in January 2008.

The traditional source of household income data is the Census Bureau, which publishes annual household income data in mid-September for the previous year.

here ). The data in their report differs from the Census Bureau's data in three key respects:

  1. It is a monthly rather than annual series, which gives a more granular view of trends.
  2. Their numbers are more current. The Census Bureau's 2012 data will remain its latest until September 2014.
  3. Sentier Research uses the more familiar this commentary .

The first chart below is an overlay of the nominal values and real monthly values chained in January 2014 dollars. The red line illustrates the history of nominal median household, and the blue line shows the real (inflation-adjusted value). I've added callouts to show specific nominal and real monthly values for January 2000 start date and the peak and post-peak troughs.

here ). I have used the latest data to create a pair of charts illustrating the nominal and real income trends during the 21st century.

The blue line in the chart above paints the less optimistic "real" picture. Since we've chained in February 2014 dollars and the overall timeframe has been inflationary, the earlier monthly values are adjusted upward accordingly. In addition to the obvious difference in earlier real values, we can also see that real incomes peaked before the nominal (January of 2008, one month after the recession began, versus July 2008). Also the real post-recession decline bottomed later than the nominal (August 2011 versus September 2010).

The next chart is my preferred way to show the nominal and real household income -- the percent change over time. Essentially I have taken the monthly series for both the nominal and real household incomes and divided them by their respective values at the beginning of 2000. The advantage to this approach is that it clearly quantifies the changes in both series and avoids a common distraction of using dollar amounts ("How does my household stack up?").

money illusion ) of 27.2% six months later and now at 30.3%, an all-time high. In contrast, the real recovery from the trough has been depressingly slight, although at first blush the latest monthly data, as I mentioned above, is the second largest of the century so far.

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