Social Security Disability Amendments of 1980

[AI summary unavailable — showing source text] Disability Insurance Amendments of 1979 - Amends title II (Old-Age, Survivors and Disability Insurance) of the Social Security Act to reduce the maximum amount of monthly benefits payable under such title on the basis of wages and self-employment income to the smaller of: (1) 80 percent of an individual's average indexed monthly earnings; or (2) 150 percent of an individual's primary insurance amount. Amends the procedure for computing the primary insurance amount of an individual by stipulating that in determining the number of benefit computation years one year of low earnings shall be dropped for every five working years. Limits the maximum number of years which may be dropped to five. Requires the Commissioner of Social Security to develop and carry out experiments and demonstration projects designed to compare various methods of treating the work activity of disabled beneficiaries under title II, including reductions in benefits based on earnings designed to encourage disabled beneficiaries to work. Requires the Commissioner to report to Congress on such projects. Excludes from an individual's earnings, in determining whether an individual can engage in gainful activity, an am…