Social Security debate in the United States

This article concerns proposals to change the Social Security system in the United States. Social Security is a social insurance program officially called "Old-age, Survivors, and Disability Insurance" (OASDI), in reference to its three components. It is primarily funded through a dedicated payroll tax. During 2015, total benefits of $897 billion were paid out versus $920 billion in income, a $23 billion annual surplus. Excluding interest of $93 billion, the program had a cash deficit of $70 billion. Social Security represents approximately 40% of the income of the elderly, with 53% of married couples and 74% of unmarried persons receiving 50% or more of their income from the program. An estimated 169 million people paid into the program and 60 million received benefits in 2015, roughly 2.82 workers per beneficiary. Reform proposals continue to circulate with some urgency, due to a long-term funding challenge faced by the program as the ratio of workers to beneficiaries falls, driven by the aging of the baby-boom generation, expected continuing low birth rate, and increasing life expectancy. Program payouts began exceeding cash program revenues (i.e., revenue excluding interest) in 2011; this shortfall is expected to continue indefinitely under current law.

Social Security has collected approximately $2.8 trillion more in payroll taxes and interest than have been paid out since tax collection began in 1937. This surplus is referred to as the Social Security Trust Fund. However, the government has borrowed and spent these amounts for other purposes. The fund contains non-marketable Treasury securities backed "by the full faith and credit of the U.S. government". The funds borrowed from the program are part of the total national debt of $18.9 trillion as of December 2015. Due to interest, the Trust Fund will continue increasing through the end of 2020, reaching a peak of approximately $2.9 trillion. Social Security has the legal authority to draw amounts from other government revenue sources besides the payroll tax, to fully fund the program, while the Trust Fund exists. However, payouts greater than payroll tax revenue and interest income over time will liquidate the Trust Fund by 2035, meaning that only the ongoing payroll tax collections thereafter will be available to fund the program.

There are certain key implications to understand under current law, if no reforms are implemented:

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