Table 3
Decomposition of, and changes in, top 1 percent incomes, 1979-2010
| Capital and business incomes | ||||||||
|---|---|---|---|---|---|---|---|---|
| Total | Labor compensation | Rents, interest, dividends | Business income | Capital gains | Total | Pensions | Transfers | |
| Top 1% share of each income type | ||||||||
| 1979 | 8.4% | 3.9% | 25.1% | 20.1% | 54.6% | 33.5% | 4.7% | 0.8% |
| 2007 | 18.0% | 8.6% | 42.1% | 48.7% | 71.3% | 58.7% | 6.6% | 0.8% |
| 2010 | 14.5% | 8.3% | 43.0% | 51.9% | 79.8% | 54.0% | 7.5% | 0.7% |
| Share of overall income accounted for by each category | ||||||||
| 1979 | 100.0% | 69.8% | 10.1% | 4.5% | 3.6% | 18.2% | 3.2% | 8.8% |
| 2007 | 100.0% | 60.3% | 8.7% | 6.2% | 8.0% | 22.8% | 6.3% | 10.7% |
| 2010 | 100.0% | 62.9% | 6.5% | 6.1% | 3.4% | 16.0% | 7.1% | 14.0% |
| Within contributions* | ||||||||
| 1979-2007 | 7.2 | 3.0 | 1.6 | 1.5 | 1.0 | 5.2 | 0.1 | 0.0 |
| 2007-2010 | 0.6 | -0.2 | 0.1 | 0.2 | 0.5 | -0.9 | 0.1 | 0.0 |
| Between contributions** | ||||||||
| 1979-2007 | 2.4 | -0.6 | -0.5 | 0.6 | 2.7 | 2.1 | 0.2 | 0.0 |
| 2007-2010 | -4.1 | 0.2 | -0.9 | 0.0 | -3.5 | -3.8 | 0.1 | 0.0 |
| Total change | ||||||||
| 1979-2007 | 16.9% | 2.5% | 1.1% | 2.1% | 3.7% | 7.3% | 0.3% | 0.0% |
| 2007-2010 | -8.2% | 0.0% | -0.8% | 0.2% | -3.0% | -4.7% | 0.1% | 0.0% |
* Percentage-point contribution of growing concentration within each income category to increasing top 1% income share
** Percentage-point contribution of shift from less- to more-concentrated income categories to increasing top 1% income share
Source: Authors' analysis of Congressional Budget Office (2013)
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