A $1 million dividend portfolio yielding 4% produces $40,000 a year. If that income is taxed as ordinary income at the 24% bracket, the IRS takes in $9,600 each year. Even at a 15% qualified-dividend rate, the federal bill is $6,000.
Roth Versus Taxable on $40,000 of DividendsThe gross income is the same in both accounts. The tax treatment is what differs. In 2026, the 24% bracket applies to single filers with taxable income over $105,700 ($211,400 for joint filers).
Scenario Gross Income Federal Tax Net Income Roth IRA $40,000 $0 $40,000 Taxable, ordinary at 24% $40,000 $9,600 $30,400 Taxable, qualified at 15% $40,000 $6,000 $34,000At 24%, the Roth saves an extra $9,600 a year, or $96,000 over 10 years with no growth assumed. On fully qualified dividends, the gap is $6,000 a year and $60,000 per decade.
Four High Yielders Ranked by Roth BenefitThese names yield well above 4%, so concentrating in them raises both income and tax drag. Figures assume a $100,000 position in each.
Stock Yield Annual Income Taxable-Account Tax ARCC 10.1% $10,100 $2,424 (24%) AGNC 17.6% $17,600 $4,224 (24%) O 5.22% $5,220 $1,252.80 (24%) VZ 6.04% $6,040 $906 (15%)The 37% bracket kicks in above $640,600 for single filers in 2026 ($768,700 joint).
Compounding Turns $9,600 a Year Into Six FiguresIn a hypothetical where the $9,600 annual advantage is reinvested at a conservative 4%, assuming the share price holds steady, the gap reaches about $115,000 after 10 years and about $286,000 after 20. Taxed at 15%, the $6,000 drag compounds to roughly $72,000 and $179,000. Reinvesting the full $40,000 annually for 20 years builds about $1.19 million, against about $1.01 million from $34,000. That spread is the permanent cost of holding these payers outside a Roth.
Rules That Limit the Roth ShortcutAnnual contribution limits and eligibility rules mean a retiree cannot simply move a $1 million taxable portfolio into a Roth. Converting traditional IRA money adds the converted amount to income that year, so the return depends on today’s rate versus your expected future rate (the quiet years between a last paycheck and the first RMD are usually when that math looks best, which is the whole point of our free Roth window guide). Each conversion carries its own 5-year period for the 10% additional tax, and qualified distributions require the 5-year period plus age 59½ or another qualifying event. Traditional IRAs also protect dividends, but withdrawals are included in gross income under 26 U.S.C. § 408(d)(1). Roth IRAs carry no RMDs while the owner is alive. The 4% yield remains an assumption; dividend cuts and price declines can shrink the income.
What to Do Before Your Next Tax FilingFor wealthy retirees, where a dividend stock is held and how the money comes out matter as much as its yield.