Official References

All calculations on RetirePlanCalc.com are based on the following official U.S. government publications and data sources. These references ensure our estimates align with current IRS rules, SSA benefit formulas, and Federal Reserve economic projections.

Internal Revenue Service (IRS)

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  IRS Publication 590-A — Contributions to Individual Retirement Arrangements

  irs.gov/publications/p590a
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  IRS Publication 590-B — Distributions from Individual Retirement Arrangements

  irs.gov/publications/p590b
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  IRS Publication 560 — Retirement Plans for Small Business (SEP, SIMPLE, and Qualified Plans)

  irs.gov/publications/p560
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  401(k) Limit — Internal Revenue Code §402(g)

  irs.gov — 401(k) contribution limits
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  IRS Uniform Lifetime Table (RMD)

  irs.gov — Required Minimum Distributions
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  SECURE 2.0 Act of 2022 — Key Provisions

  irs.gov — SECURE 2.0 Act

Social Security Administration (SSA)

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  SSA — Benefit Calculation: Primary Insurance Amount (PIA)

  ssa.gov/oact/cola/piaformula.html
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  SSA — Bend Points (Annual Update)

  ssa.gov/oact/cola/bendpoints.html
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  SSA — Early & Delayed Retirement Credits

  ssa.gov/oact/cola/delayret.html
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  SSA — Cost-of-Living Adjustments (COLA)

  ssa.gov/oact/cola/colaseries.html
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  SSA — Maximum Taxable Earnings

  ssa.gov/oact/cola/cbb.html
• 🏦
  my Social Security — Personal Benefit Statement

  ssa.gov/myaccount

Federal Reserve & Economic Data

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  Federal Reserve — Long-Run PCE Inflation Target (2%)

  federalreserve.gov — FOMC long-run goals
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  Bureau of Labor Statistics — Consumer Price Index (CPI)

  bls.gov/cpi

Consumer Financial Protection Bureau (CFPB)

• 🛡️
  CFPB — Retirement Planning Resources

  consumerfinance.gov/retirement

Academic Research

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  Trinity Study — Cooley, Hubbard & Walz (1998): "Retirement Savings: Choosing a Withdrawal Rate That Is Sustainable"

  AAII Journal, February 1998 — Foundation for the 4% safe withdrawal rule