The very essence of saving for retirement is to accumulate a nest egg sufficiently large enough to replace the retiree’s employment income and sustain a stable standard of living throughout retirement. If the prospective retiree doesn’t have enough saved up to maintain his/her lifestyle for the next several decades, it’s not yet time to retire.

Yet a growing volume of research studying the actual spending habits of retirees is revealing that this traditional approach may not be entirely appropriate after all. Because as it turns out, retirees don’t actually maintain a stable lifestyle in retirement; instead, spending levels tend to decline (in real terms), as the retiree goes from the “Go-Go” early years of retirement, to the “Slow-Go” years, and eventually the “No-Go” years.

In addition, not only does retirement spending slow in the later years, but the underlying composition of the retirement spending begins to shift as well as clients cross through these “age bands”, as spending on housing and entertainment activities fall significantly in the later years, while health care expenses are rising. Still, though, discretionary spending tends to fall by more than health care expenses rise – leading to an overall decrease in retiree spending as retirees proceed through the age bands…

Read the full article here on kitces.com > 
Age Banding To Model The Decline In Retirement Spending (kitces.com)