Cause. Hives can also be classified by the purported causative agent. Many different substances in the environment may cause hives, including medications, food and physical agents. In perhaps more than 50% of people with chronic hives of unknown cause, it is due to an autoimmune reaction. Medications
The average American pays almost 30% of their income to taxes. Here's the breakdown. According to the IRS's preliminary data from the 2015 tax year (the returns you filed during 2016), there was a total of $1.454 trillion in income tax owed, which translates to an average effective federal income tax rate of about 13.5% per return.
[10] As a result, most OECD countriesâ high average tax burden on labor is due to high payroll taxes (Figure 3). The average combined (employee and employer) payroll tax rate in the OECD was 22.6 percent in 2013, which was 6.7 percent higher than the U.Sâs combined rate of 15.9 percent. The total tax burden faced by wage earners in the United States is 31.3 percent of their pre-tax earnings, paying $16,658 in taxes in 2013, with $8,196 in individual income taxes and $8,462 in payroll taxes.