I'm Doug, and I'm sorry to hear of the confusion. My goal is to provide you with excellent service today.
The simple answer to your question is that you will want to earn a $100,000 annual salary for at least 35 years.
Your benefit is based on the income that you earned over the highest 35 years of your working life. If you didn’t work 35 years, then some years will be considered as zeros in the equation. First social security takes all income that you earned in a lifetime and for which you paid social security taxes. They then apply a multiplication factor to it according to what year you earned it in, to make up for the fact that earning $5,000 in 1960 was worth more than $5,000 today---so they multiply the 1960 income by a given number. In other words, earning $10,000in 1960 is the equivalent of earning $107,300 in 2013. They then add all of those numbers (years of income after the multiplication has been done) up and divide it, first by 35(years), and again by 12 (months), to get an average monthly income. Here is a table that you can actually use to determine the adjusted average monthly income that social security will use to determine your benefit amount: http://www.socialsecurity.gov/pubs/EN-05-10070.pdf
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I wish you and yours the best in 2016,