Joan is a self-employed consultant. What is her exposure to the Federal self-employment tax? What tax rates that apply to Joan's profits, and the income base amounts for the year? Individuals with net earnings of $ or more from self-employment are subject to the self-employment tax. For 2019, the self-employment tax is 12.4 percent of self-employment earnings up to $ for the Social Security portion plus 2.9 percent of the total amount of self-employment earnings for the Medicare portion. Self-employed taxpayers deduct a portion of the self-employment tax in determining the self-employment tax as well as a deduction for computing AGI