handy table historical series of earnings Quarter of Coverage handy table http://www.ssa.gov/OACT/COLA/QC.html quarters of coverage Quarters of Coverage Quarter of Coverage http://www.ssa.gov/OACT/COLA/QC.html quarters of coverage This amount increases each year http://www.ssa.gov/OACT/COLA/QC.html handy table 40 eligible quarters under the Social Security Act 40 eligible quarters under the Social Security Act certain amount of income