There is a minimum age at which you become eligible for Social Security retirement benefits, and this is the same for all people, 62.

FORBES: The Social Security Spousal Benefit - Further Explanation

If the Social Security recipient is filing for benefits prior to Full Retirement Age and he is also eligible for the Spousal Benefit at the same time (that is, his spouse has already filed for her own benefit), then another special provision applies, called Deemed Filing.

FORBES: The Social Security Spousal Benefit - Further Explanation

The nearly half-century old programme, one of the Democrats' signature achievements, is suffering under two pressing burdens - the ever-growing cost of an inefficient healthcare system and the imminent retirement of the baby-boom generation, more and more of whom are becoming eligible for benefits.

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In addition, we know that filing for a Spousal Benefit prior to Full Retirement Age (FRA) invokes deemed filing, which would require that all eligible benefits are filed for at the same time.

FORBES: Are You Leaving Social Security Money on the Table? You Might Be, If You Don't Understand and Use This One Rule

California's immigrants also include a growing number of the elderly, who reach retirement without having paid into the system, poverty-stricken refugees, and illegal immigrants who are eligible for benefits until Proposition 187 has been endorsed by the courts.

ECONOMIST: Immigration