File:Annual Return - Fee Impact.png

An increase in annual return of 1% can extend your retirement spending by 10 years.

Increasing your annual return is identical to reducing your investment expenses by 1%.

Source: DOL/SEC Hearing On Target Date Funds And Similar Investment Options, Supplemental and Other Materials, AllianceBernstein: Retirement Funds: A Blueprint for Effective Portfolio Construction

The spreadsheet containing the assumptions and calculations which created this graph is available on Google Drive: Effect of investment expenses