Historical Social Security and FICA Tax Rates for a Family of Four

Average and marginal employee Social Security and Medicare (FICA) tax rates for two-parent families of four at the same relative positions in the income distribution from 1955 to 2015.

What to Know about Medicare Spending and Financing

Solved Paloma Co. has four employees. FICA Social Security

Social Security History

What are the Social Security trust funds, and how are they financed?

Income Tax Time: Rates Then & Now – Options Edge

Social Security Act

FICA Tax Guide (2023): Payroll Tax Rates & Definition - SmartAsset

Social Security Administration's Master Earnings File: Background Information

Publication 505 (2023), Tax Withholding and Estimated Tax

Historical Federal Income Tax Rates for a Family of Four

IRS Audits Poorest Families at Five Times the Rate for Everyone Else