Data Sources & References

CalculatingWealth.com relies on public, authoritative sources for default assumptions, illustrative figures and educational explanations. We do not republish proprietary datasets, and we do not produce market forecasts. All examples are educational.

Primary references

• U.S. Bureau of Labor Statistics — CPI ↗

  Long-run inflation reference for real-return defaults.

• Federal Reserve Economic Data (FRED) ↗

  Interest rate, mortgage rate and macro series for examples.

• U.S. Treasury — Daily Yield Curve ↗

  Risk-free rate context in educational content.

• IRS — Retirement Topics ↗

  Contribution limits and retirement-account rules.

• Social Security Administration ↗

  Benefits, full retirement age and claiming context.

• Consumer Financial Protection Bureau ↗

  Mortgage, credit and consumer-finance explanations.

• Freddie Mac PMMS ↗

  Historical 30-year mortgage rate context.

• Trinity Study / Bengen (1994, 1998) ↗

  Background for the 4% safe-withdrawal default.

How we use these sources

• Default inflation, return and rate assumptions are anchored to long-run public data — never to short-term forecasts.
• Examples in lessons and articles are labeled as illustrative.
• Citations in long-form content link directly to the underlying public source.

Corrections

Spotted an outdated figure or broken link? Email editorial@calculatingwealth.com and we will review and update.