Many people think that when it comes to Social Security, "you only need to fill 40 credits."

While this is technically true for eligibility, the actual amount you receive after retirement is calculated in a completely different way.

The key is not the credits, but your lifetime earnings record, particularly the average income from your highest 35 years.

Social Security benefits are calculated using a measure called AIME. Simply put, it averages your highest 35 years of income adjusted for inflation. If you have less than 35 years, the missing years are counted as zero income. So, just earning a lot for 10 years won't necessarily yield the highest benefits.

This leads to a common question many people have.
"If it's hard to fill all 35 years, can I just report high income for the last 10 years to get more?"

To put it simply, it's possible, but the effect is limited.

Let me explain with an example.
If you already have about 20-25 years of moderate income records, reporting high income for the next 10 years will raise your average and increase your benefits. However, if your existing records are low or have many zeros, just reporting high income for 10 years won't get you to the maximum benefit level. Ultimately, the key is replacing low-income years with high-income years.

So, what is the structure that yields the highest benefits?

First, report income as close as possible to the Social Security Taxable Maximum. This amount increases slightly each year and is currently around $160,000 to $170,000. Income above this level is not factored into Social Security calculations. In other words, this amount is effectively the cap for benefits.

Second, you need to maintain income near the cap for at least 10 years to see a meaningful increase in benefits. For those with existing moderate income records, reporting high income for the last 10-15 years can significantly boost benefits.

Third, if you are healthy and have a good chance of living a long life, delaying benefits until age 70 is the most advantageous. After your Full Retirement Age, benefits increase by about 8% each year. Waiting until age 70 can result in receiving about 24-32% more for life. The longer you live, the greater the impact of this strategy.

In summary, the best strategy for maximizing Social Security benefits is to:
maintain income reporting at the annual taxable maximum level, create a high income record for at least 10 years, and delay benefits until age 70.

Many people believe that you must fill all 35 years to get the highest benefits, but in reality, the income level during the last 10-15 years greatly influences the total benefit amount. Especially for self-employed individuals or business owners, reporting low income solely for tax savings can lead to long-term losses in benefits.

Ultimately, Social Security is not just about how much tax you paid, but rather how long and how much high income you recorded during certain periods. And if you are healthy enough to wait until age 70, that one choice can significantly change the total amount you receive over your lifetime. Retirement strategy is about balancing tax savings and maximizing benefits, which is the most realistic approach.