3 Things You Must Know Before Claiming Social Security
Signing up for Social Security isn't a move to make lightly, since the age you file at will dictate what your monthly benefits look like for the rest of your life. Before you sign up for benefits, make sure you're fully aware of these important things.
Your Social Security benefits are calculated based on your wages during your 35 most profitable years of earnings from a job. But you're only entitled to your monthly benefit in full once you reach full retirement age, or FRA.
FRA isn't the same for everyone; it depends on your year of birth, as per the following table:
Source Fool.com