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If you claim social security at full retirement age (FRA), you will receive your full benefit without loss due to your working. You can earn as much at your job as you like, and not lose $.01 in social security benefits.
The social security benefits will likely be taxable, up to 85% of the total benefits. If you earn $70,000 at your job, and $12,000 in social security benefits in 2016, you might be Federally taxed on $70,000+ (.85*$12,000=)$10,200=$80,200 in total taxable income.
Just as a note to add to your decision, for every month you defer collecting your social security, the benefit increases by 2/3 of 1% for each month (8% per year).
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