Quick answer: $400,000 generates $16,000/year ($1,333/month) at the 4% withdrawal rate. Combined with average Social Security income of $1,700/month, total monthly income reaches approximately $3,033/month — below the national median but workable in mid-to-low cost areas with a paid-off home and careful budgeting.
$400K retirement income depends heavily on Social Security. With the average SS benefit ($1,700/month), portfolio withdrawals represent only 44% of total income — meaning Social Security does the heavy lifting. This is intentional and manageable.
For married couples where both spouses receive Social Security, the income picture changes dramatically. Two average SS benefits ($3,400/month combined) plus $1,333/month from the portfolio = $4,733/month household income. That is sufficient for comfortable retirement in most of the country.
Converting $150,000–$200,000 of a $400K portfolio into a fixed annuity at age 65 generates $850–$1,200/month of guaranteed lifetime income. The remaining $200,000–$250,000 stays invested for growth and flexibility.
This approach eliminates longevity risk on the annuitized portion — you cannot outlive it — while maintaining some portfolio growth potential. Total guaranteed income (annuity + Social Security) reaches $2,550–$2,900/month before portfolio withdrawals.
Without Social Security, $400K at 4% withdrawal = $1,333/month. This is below the federal poverty guideline for a single person and is insufficient for a comfortable retirement in any U.S. market. If you have no Social Security income, $400K alone is not adequate — consider delaying retirement, supplementing with part-time work, or annuitizing for guaranteed income.
Yes — for many couples this is viable. Combined Social Security for two married retirees often reaches $3,000–$4,500/month. Adding $1,333/month from the portfolio brings total income to $4,333–$5,833/month — comfortably sufficient in most non-coastal markets.
Connect with a licensed SafeMoney advisor who specializes in retirement income planning and guaranteed income solutions. Or try the Retirement Income Gap Calculator.