Importance of Various Sources of Income by Age Group August 4, 2009 Gerald Prante Gerald Prante In the previous blog post, I showed how the income profiles of tax returns differ across income groups. In the table below, I do the same for different age groups for tax returns (based upon the age reported on the tax return of the primary taxpayer.) This is based upon new data by age available from the IRS Statistics of Office division. Age Group Salaries/Wages Taxable Interest Cap Gains/Dividends Biz Income Taxable Retirement Taxable S.S. All Other All Returns 66.31% 3.04% 12.99% 7.95% 7.25% 1.90% 0.56% Under 18 55.05% 5.19% 30.27% 3.95% 1.98% 0.44% 3.12% 18-34 91.75% 0.62% 2.75% 3.45% 0.59% 0.02% 0.82% 35-44 80.44% 1.52% 8.25% 7.76% 1.22% 0.06% 0.74% 45-54 74.10% 2.03% 11.32% 9.69% 2.07% 0.21% 0.58% 55-64 59.10% 3.41% 15.74% 9.97% 10.22% 1.21% 0.37% 65+ 17.21% 8.80% 29.09% 7.47% 27.18% 10.00% 0.25% Stay informed on the tax policies impacting you. Subscribe to get insights from our trusted experts delivered straight to your inbox. Subscribe Share Tweet Share Email Topics Center for Federal Tax Policy Individual Income and Payroll Taxes Tags Putting a Face on America's Tax Returns