Comparing projections of top incomes in Pennsylvania with actual levels, 2000–2011
| Projections based on Internal Revenue Service data | Actual levels as reported by the Pennsylvania Department of Revenue | |||||
|---|---|---|---|---|---|---|
| Year | Income share of the top 1% | Average income of the top 1% | Income share of the top 1% | Average income of the top 1% | Percentage-point difference between actual and projected income share of top 1% | Projected average income of top 1% as share of actual |
| 2000 | 17.5% | $988,702 | 19.6% | $1,112,708 | 2.1 | 89% |
| 2001 | 15.5% | $823,838 | 16.9% | $901,064 | 1.4 | 91% |
| 2002 | 14.7% | $751,226 | 16.6% | $847,263 | 1.9 | 89% |
| 2003 | 15.3% | $795,846 | 17.6% | $916,052 | 2.3 | 87% |
| 2004 | 16.0% | $876,640 | 18.9% | $1,033,381 | 2.9 | 85% |
| 2005 | 17.9% | $994,689 | 21.2% | $1,180,531 | 3.3 | 84% |
| 2006 | 18.3% | $1,042,094 | 21.8% | $1,238,940 | 3.5 | 84% |
| 2007 | 18.9% | $1,115,166 | 21.6% | $1,273,945 | 2.7 | 88% |
| 2008 | 16.9% | $918,147 | 19.9% | $1,086,298 | 3.0 | 85% |
| 2009 | 15.9% | $814,912 | 18.3% | $936,591 | 2.4 | 87% |
| 2010 | 17.4% | $905,113 | 20.1% | $1,052,402 | 2.7 | 86% |
| 2011 | 17.0% | $882,574 | 19.8% | $1,023,723 | 2.8 | 86% |
| % change, 2009–2011 | 8.3% | 9.3% | ||||
| Average, 2000–2011 | 2.6 | 87% | ||||
Note: Data are for tax units.
Source: Authors' analysis of state-level tax data from Sommeiller (2006) extended to 2011 using state level data from the Internal Revenue Service SOI Tax Stats (various years), Piketty and Saez (2012), and the Pennsylvania Department of Revenue (various years)