Archive for the 'Line Graph' Category

Designer Salaries 2001-2007

From Coroflot’s Design Salary Survey found via gongblog. Apparently, as an interaction designer, I am working in one of the better-paid design professions.

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Design Salaries 07 magnifying glass

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Income Inequality: Democratic vs Republican Administrations

Found the top graph via Paul Krugman’s blog. It is from a paper by Larry Bartels, professor of politics and public affairs at Princeton University.

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IRS Top 400 magnifying glass

I found a second graph in the same paper, showing the income inequality year to year (the 80/20 ratio measures the income inequality by dividing the income earned by someone at the 80th percentile by someone at the 20th percentile). Additionally, Bartels has highlighted the years Democrats and Republicans held the White House. Like a number of graphs on my site, you can see the increase in income inequality since the early 70s.

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Data in the graphs are calculated from the Historical Income Inequality Tables compiled by the U.S. Census Bureau.

Addendum

5/2/08 Fix my definition of 80/20 income ratio

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Top 400 Taxpayers: Income and Taxes Paid 1992-2005

This graph shows the average income reported to the IRS and the average taxes paid by the top 400, i.e. the 400 taxes returns with the highest adjusted gross income from 1992-2005. This does not represent not gains in the wealth of people like Bill Gates but instead shows the annual income of the superrich reported to the IRS. They accounted for 1.15% of total income reported in 2005, more than twice as large as their 0.49% share in 1995.

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Data from the IRS via Wall Street Journal’s Tax Report

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Historical Tax Rates by Income Group: Part 2

In an earlier post, I had a graph showing the Historical Tax Rates by Income Group using data from Pitketty & Saez. Here is another graph (found on Greg Mankiw’s Blog) which shows historical tax rates by income group but this time the data is from the Congressional Budget Office.

CBO total effective tax rate

Addendum 3/3/08
The large difference between the two graphs is due to the treatment of payroll taxes paid by employers and the corporate income tax. The Pitketty & Saez data assumes these taxes are actually paid by employees and stockholders but the CBO data in the above graph does not include them.

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Adoption of New Technology since 1900

Historical graph showing the adoption of new technologies in the United States (designed by Nicholas Felton that I found via the New York Times). For example look at percentage of households that had telephones over the last 100 years and compared this to the time it took for cellphones to be adopted.

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