Differences between Replacement Rates for Low-and High-Income Earners.

How Much Is Enough? The Challenge of Helping Workers Determine Their Retirement Income Needs - Georgetown Center for Retirement Initiatives

If You're Getting a W-2, You're a Sucker” — ProPublica

Increasing retirement readiness through higher savings rates and TDFs

High-Income Households Have More Earners than Low-Income Households

Breaking Free from the HENRY (High Earner, Not Rich Yet) Cycle

GAO congressional report on Retirement Security and income replacement rates

Budget Basics: How Does Social Security Work?

Population Characteristics of Highly Developed & Developing Countries - Video & Lesson Transcript

Considerations When Determining Your Income Replacement Rate

National Insurance Scheme Reforms in the Caribbean in: IMF Working Papers Volume 2016 Issue 206 (2016)

Lower of Cost or Market (LCM) Method: Why It's Used and Application