Studies
When to claim Social Security if the 2033 reduction happens: 62 vs 67 vs 70
Under the 2026 Trustees projection (78% of scheduled benefits payable from 2033), the lifetime-value-maximizing claiming age falls from 70 to 68 in the base case across 18 profiles, and the classic 62-vs-70 break-even stretches from age 80 to 82. Includes an after-tax and tax-torpedo view.
What a 22% Social Security cut does to retirement success: a 10,000-path Monte Carlo study
When half of income comes from Social Security, a 2033 reduction is a 16.0-point fall in success rate for a 60/40 retiree — offset by roughly $118,909 more saved. Run on the planner’s Monte Carlo engine across three allocations and three reliance levels, per the 2026 Trustees Report (ssa.gov/oact/trsum/, checked 2026-09-10).
What crossing an IRMAA tier costs a Roth conversion: 2026, tier by tier
The Medicare surcharge is a fixed-dollar cliff two years later, so a small conversion that just clips a new tier is punished hardest per dollar. This study prices the first dollar over every 2026 tier, the room to the next one, and when crossing still beats leaving the money for future RMDs.
Withdrawal strategy success rates: guardrails vs. the fixed 4% rule, quantified
Four withdrawal rules — the static 4% rule, a constant 5%-of-balance rule, Guyton-Klinger guardrails, and Variable Percentage Withdrawal — run on the same 10,000 Monte Carlo paths over 35 years, on the planner engine’s return model. The guardrail plan cuts the 4% rule’s failure rate from 23% to 3.7% — an 84% reduction, by trading depletion for spending cuts — at about 34% less median legacy.
The 2026 ACA subsidy cliff for early retirees: an 80,000-path Monte Carlo study
Modeling a 55-to-65 healthcare bridge on the QuantCalc planner’s own return, tax and premium-tax-credit engines, the study measures what the subsidy cliff costs a retiree who does not manage MAGI — and how much a tax-optimized withdrawal order recovers.
Social Security at 70 beats 62 only 42% of the time — if you invest
A 400,000-life Monte Carlo over real mortality (SSA 2022 period life table) and real investment returns shows the famous age-80 break-even hides a coin flip: at a balanced 4% real return, delaying wins 42% of lifetimes; at an equity-tilted 6% real return, only 28% for men.
Retiring into a bear market: same plan, 27% failure vs. 0%
Every real 30-year start month since 1926 (819 of them), replayed through the QuantCalc planner’s own engine with the plan held fixed. Retiring in September 1929 ran the money out after about 20 years; the same months in reverse order left $1,735,741.
Does the 4% rule survive forward-looking forecasts? Six published CMEs stress-tested
10,000-path Monte Carlo simulations of a classic $1M, 60/40, 4% inflation-adjusted withdrawal with no other income, run under six publicly-published Capital Market Expectations. Against an 89.5% historical baseline every forecast lands lower, and among the survivors median terminal balance spans nearly 3× — a plan’s safety margin depends heavily on which return assumption it borrows.
The lifetime tax cost of skipping Roth conversions in the gap years
A year-by-year federal income tax simulation, every year priced by QuantCalc’s federal tax engine on 2026 law, compares doing nothing with a Traditional IRA against filling the 12% bracket with Roth conversions before RMDs start at 75. Converting wins in 62.5% of return paths at $500,000 and 92.6% at $2M — the benefit scales with balance size.
Do alternative assets actually improve retirement outcomes? 60,000 Monte Carlo paths on gold, commodities, TIPS & bitcoin
60,000 paths through the same engine as the live calculator test gold, commodities, TIPS, and a small bitcoin sleeve against a standard 5-asset portfolio. TIPS lower success at this withdrawal rate; bitcoin’s headline gain traces back to its assumed return, not diversification.
510,000 retirement Monte Carlo paths across all 51 U.S. jurisdictions: the state-tax cost of retirement in 2026
The same couple (both 60, $2M, 60/40, $80,000 a year to spend after tax) runs through QuantCalc's tax-aware planner 10,000 times in every state plus DC, changing only the state. 16 jurisdictions tie for the lowest tax; Oregon, Maryland and Massachusetts cost the most.
When does tax-loss harvesting actually pay? NPV across 768 scenarios
Every scenario runs through the same open, unit-tested 2026 federal tax engine as the free calculator, computing exact with-versus-without differences rather than marginal-rate shortcuts. Short-term-gain offsets save 1.71× more than long-term offsets at the top income level tested.
Roth Conversion Breakeven by State (2026)
A traditional→Roth conversion costs the same federal tax everywhere, but the state slice of the bill varies wildly by jurisdiction. This study runs a 1,224-scenario sweep across all 51 U.S. jurisdictions to price the state, federal, and combined cost of converting — and the future tax rate above which converting today wins.
The 4% rule across 123 historical retirement cohorts
A rolling-cohort study of every U.S. retirement start year with a full 30-year window in the Shiller dataset (ie_data.xls, checked 2026-09-10), computing the maximum sustainable withdrawal rate and survival at 4.0/4.5/5.0% for 60/40, 50/50, and 80/20 portfolios. Historical results, not a forecast — a companion to the CME stress test above.
The 2026 IRMAA Cliff Map
Maps every 2026 Medicare IRMAA tier boundary for single and MFJ filers — the surcharge just below vs. at each cliff, the cost of the single dollar that crosses it, and the headroom to the next one. Distinct from and cross-linked with the companion Roth-conversion IRMAA cost study above.
The 2026 OBBBA Senior Deduction, Decomposed
A retiree’s 2026 standard deduction is three deductions stacked together: the base standard deduction, the IRC §63(f) additional deduction for the aged, and the temporary OBBBA §70103 senior deduction. This study decomposes the stack by filing status, age, and MAGI, and maps exactly where the $6,000-per-filer OBBBA piece phases out to zero.
The Optimal Retirement Glide Path (2026)
Should a retiree’s equity allocation glide down, hold flat, or rise? This study hands the whole 5-period schedule to QuantCalc’s optimizer at 3.5% / 4.0% / 4.5% withdrawal rates, then independently re-scores its choice against static 60/40, static 40/60, declining 70→30, and rising 30→70 schedules on common random numbers — reporting a winner only when it beats the sampling noise.
The ACA Bridge Income Plan (2026)
How much income should an early retiree realize — and how much traditional balance to convert to Roth — before Medicare, without crossing the 400% FPL cliff? This study gives six households a recommended year-by-year plan with its per-year coverage regime, against never converting and against a plan that fills the 12% bracket and ignores the cliff.
When Withdrawal Order Helps, and When It Backfires (2026)
Which order saves the most lifetime tax, household by household? For nine households this study names the recommended whole-retirement order and its paired per-path present-value saving against traditional-first, reports what the single-year lowest-tax order would have cost or saved beside it, and shows a horizon sweep where the single-year order's benefit inverts into a cost.
Where Retirement Income Is Actually Taxed: the State Pension-Exclusion Map (2026)
Which states exempt or cap pension income versus IRA and 401(k) distributions, at what age, and where the pension SOURCE (government vs private) changes the bill. All 51 jurisdictions grouped by treatment, with the exclusion shown in dollars, computed from the frozen state-tax engine.
Roth Conversion Breakeven by Age (2026)
When does paying Roth-conversion tax now overtake deferring, and how does the answer move with the converter's age? 756 deterministic scenarios across conversion ages 55–75, three bracket targets, three growth rates, and four final marginal rates — with the SECURE 2.0 RMD seam (73 vs 75) and the IRMAA lookback computed from the same parity-tested engine as the by-state companion study.
The Cost of Delaying Medicare Enrollment (2026)
What does delaying Medicare enrollment actually cost? The permanent Part B penalty (10% of the $202.90 standard premium per full 12-month period) and Part D penalty (1% of the $38.99 national base premium per uncovered month) computed for every delay from 0 to 120 months and priced into lifetime cost streams at ages 85, 90, 95 and an IRS life-expectancy horizon — with the creditable-coverage paths that make a delay free, and the COBRA seam that does not.
Municipal Bond Interest and the Social Security Tax Torpedo (2026)
Municipal-bond interest is federal-tax-free as income but counts in three statutory income tests: Social Security provisional income (IRC §86(b)(2)(B)), IRMAA MAGI and ACA MAGI. 984 scenarios across both filing statuses, three benefit levels, an income sweep and four muni levels compute the muni dollar's four regimes (0 → 0.50× → 0.85× bracket → 0 at the ceiling), the torpedo-window edges, the IRMAA tier jumps and the 400% FPL cliff — through the same engine as the live torpedo calculator.
The Widow's Penalty: the Survivor Filing-Status Change (2026)
When one spouse dies, the survivor keeps most of the income — the larger Social Security check, the pension, the RMDs — but files single after the year of death (IRC §6013(a)(3); the §2(a) qualifying-surviving-spouse extension requires a dependent child and rarely applies to retirees). 488 scenarios compute the before/after: the standard deduction and bracket edges halve, IRMAA thresholds halve (42 U.S.C. §1395r(i)(2)(B)), the §86(c) thresholds drop, and each household's change is decomposed into a filing-status penalty and an income effect — through the same engine as the live widowhood calculator.
Qualified Charitable Distributions: the AGI Exclusion vs the Charitable Deduction (2026)
A retiree 70½+ can give the same dollars three ways: a qualified charitable distribution straight from the IRA (excluded from AGI under IRC §408(d)(8), counts toward the RMD, $111,000/person in 2026 per Notice 2025-67), a cash gift under the standard deduction (relieved only by the new §170(p) $1,000/$2,000 non-itemizer deduction), or an itemized cash gift under the new 0.5%-of-AGI floor. 792 scenarios compute all three — federal tax, §86 Social Security taxability, IRMAA tiers, tax saved per $1,000 given — through the same engine as the live QCD calculator; the AGI-exclusion-vs-deduction seam does all the work.
TIPS Ladder vs the 4 Percent Rule: Locked-In Real Income or Market Upside for 30 Years (2026)
Which is safer for a 30-year retirement, a TIPS ladder or the 4% rule? This study prices a 30-year ladder at three illustrative real yields — income per $1M, cost per $1 of real income, the capital that locks $40,000 real for 30 years and the residual left for equities — and sets it beside the 4% rule’s failure share and terminal wealth quoted, not re-simulated, from QuantCalc’s published forward-looking, sequence-of-returns and historical-cohort studies. A hybrid row puts essentials on the ladder and the rest at market; the two failure modes are spelled out in plain words.
Annuity or the 4 Percent Rule: Which Gives More Secure Retirement Income? (2026)
Annuity or the 4% rule — which gives more secure retirement income? This study prices a life-only immediate annuity bought at 65 at three illustrative payout rates — income per $1M, its real value in years 10, 20 and 30, the premium that covers $40,000 of first-year spending, the break-even age and an annuitise-the-essentials hybrid — reads survival to 80/85/90/95 from the SSA period life table (checked 2026-09-10) behind the site’s claiming research, and sets it all beside the 4% rule’s failure share and terminal wealth quoted, not re-simulated, from QuantCalc’s published Monte Carlo studies. Longevity and sequence risk on one side, inflation, liquidity and bequest on the other, in plain words.
Bucket Strategy vs Total Return: Does a Cash Bucket Protect a Retirement Portfolio? (2026)
Bucket strategy or total return — does a cash bucket protect a retirement portfolio? This study runs the engine’s two-bucket rule (2, 3 and 5 years of spending in cash, refilled after non-losing years or when below half) against a total-return portfolio built to hold the same starting cash, for 3.5%, 4% and 4.5% spending on 60/40 and 80/20 plans, 10,000 paired paths per arm. Success rates, median and 10th-percentile wealth at 95, and the per-path paired difference — median, band, share of paths the bucket ends higher, survival crossovers — with the gap followed year by year and the refill rules compared head to head.
Should the Lower Earner Claim Social Security Early and the Higher Earner Delay? A Household Monte Carlo (2026)
Should the lower earner claim Social Security early and the higher earner delay? This study runs every combination of 62, 67 and 70 for both spouses through the engine’s household model on identical market paths — two benefit personas ($3,000 / $1,500 and $2,500 / $800 at full retirement age), 10,000 paired paths per arm, with and without the higher earner dying at 80 — and reports success, wealth at 95, the per-path difference against claiming together at 67, the lifetime benefits each combination pays and what the survivor keeps, with the gap followed year by year.
Work One More Year or Save More: Which Moves Retirement Success More? (2026)
Work one more year or save more — which moves retirement success more? This study runs six arms against a retire-at-65 baseline on identical market paths: retire at 66 or 67, save $10,000 or $20,000 a year more for the last five working years, or spend $5,000 or $10,000 a year less — for a comfortable and a marginal persona, 10,000 paired paths per arm. Success rates, median and 10th-percentile wealth at 95, the per-path paired difference, and success gained per year worked, per $10,000 saved and per $5,000 cut, with the gap followed year by year and the mechanism spelled out in plain words.
Retiring at 55 with $1.2M on 70/30, spending $55,000 a year to 95 with $28,000 of Social Security from 67, five years of $10,000 a year raised success from 88.3% to 90.4% and ended $212,210 more at 95 at the paired median on the same 10,000 paths; ten years, 92.5%. The tight $950,000 plan went from 66.8% to 72.5% and 77.3%. Earned over five years vs the same $50,000 saved at 55: a higher success rate (90.4% against 90.3%) and $17,934 less at the median.Part-Time Income in Early Retirement: How Much Does $10,000 a Year Change the Plan? (2026)
How much does $10,000 a year of part-time income change an early-retirement plan? This study runs $10,000, $20,000 and $30,000 a year for five and ten years from 55 through the engine on identical market paths — a plan that mostly works and a tight one, 10,000 paired paths per arm — and reports success, wealth at 95, the per-path difference against not working, success gained per $10,000-year, the gap followed year by year, and the same money saved beforehand instead of earned.
Inherited IRA Under the 10-Year Rule: Spread the Withdrawals or Take a Lump Sum? (2026)
Inherited IRA under the 10-year rule — spread the withdrawals or take a lump sum? This study empties $300,000 and $600,000 inherited traditional IRAs six ways inside the SECURE Act window — lump sum, 1/N of the balance, level draw, fill the current bracket, annual RMD then year 10, nothing until year 10 — against $80,000 and $160,000 of other income, at 5% and 3% growth, through the same 2026 federal-tax, IRMAA and Single-Life-Table modules the site’s calculators run. Tax on the IRA dollars, share of the inheritance, effective rate, highest bracket reached, after-tax value nominal and discounted, and an IRMAA sub-case for a beneficiary already near Medicare, with the bracket mechanics spelled out in plain words.
Pay Off the Mortgage or Invest Before Retirement? Paired Monte Carlo Results (2026)
Pay off the mortgage or keep investing before retirement? This study runs the two choices on identical market paths for a 65-to-95 retiree with $1,000,000: a $200,000 balance with 15 years left at 4.0%, 5.5% and 6.5%, the level payment charged as a nominal constant, and $50,000, $40,000 or $30,000 a year of other spending, 10,000 paired paths per arm. Success rates, median and 10th-percentile wealth at 95, the per-path paired difference — median, mean, band, share of paths each arm ends higher, survival crossovers — followed year by year, and the break-even portfolio return found by re-running every cell across a grid of return shifts.
On identical market paths for a $1M, $40,000-a-year, 60/40 retirement, guardrails reached 95 in 99.7% of 10,000 paths (99.2% of the worst-decile first decades) by cutting the median worst-decile path to $26,585 a year; a bond tent lifted success from 86.0% to 87.6%–86.8% (23.7% to 33.7%–34.4% in the worst decile) at a lower median; a 3-year cash bucket reached 84.5% against 86.0% for the same cash held in a level-spending portfolio.Bond Tent, Cash Bucket or Guardrails: Which Handles Sequence-of-Returns Risk Best? (2026)
Bond tent, cash bucket or guardrails — which handles sequence-of-returns risk best? This study runs a rising-equity glide path (40% equity at 65 to 60% or 70% by 75), the engine’s two-bucket cash reserve (3 and 5 years, with matched-cash controls) and Guyton-Klinger guardrails against a constant 60/40 level-spending control on the same 10,000 paths, for 3.5%, 4% and 4.5% spending. Success, wealth at 95, the per-path paired difference, realised spending path by path, and every figure cut by decile of first-decade return — with what each defence changes and what it costs in plain words.
Your 30-Year Plan Is Built on a 7-Year Forecast: What the Horizon Mismatch Costs (2026)
Capital market assumptions are published over 7, 10, 20 and 30 years; retirement plans run 30. This study runs one plan 5 ways twice on 10,000 paths per arm — each forecast stretched across all 30 years, then applied only for the years its publisher forecasts with a 30-year set thereafter — and reports what the difference is worth in success rate and terminal wealth. It is the general form of a correction to our own 4% rule stress test.
Same Retirement Income, 51 Different State Tax Bills: Ten Retiree Households Priced in Every State (2026)
Ten retiree households — Social Security with IRA withdrawals or a private pension, single and married — priced for 2026 in all 50 states and DC by the open federal and state tax engines. Federal tax is the same everywhere; the state column runs from nothing to thousands of dollars. Every row is replayed through the public tax APIs.
The Tax on a $25k, $50k or $100k Roth Conversion in Every State (2026)
The extra federal and state tax a $25,000, $50,000 or $100,000 Roth conversion adds to a retiree’s 2026 return, for a single filer and a married couple, in all 51 jurisdictions — including the Social Security that becomes taxable, the senior deduction that phases out, and the effect on the 2028 IRMAA surcharge.
Cash, DAF Bunching, Appreciated Stock or QCD: What Each Gift Saves Under the 2026 Rules
Three retiree households give the same amount each year for three years: cash every year, three years bunched into a donor-advised fund, appreciated stock, or a qualified charitable distribution. Federal tax and IRMAA are computed under the 2026 rules: the AGI floor on itemized gifts and the new deduction for people who do not itemize.
Pay a Q4 Estimate or Withhold From an IRA in December? The 2026 Underpayment Penalty, Computed
Two retirees whose 2026 tax jumped late in the year close the same shortfall three ways — nothing until April, a fourth-quarter estimate by January 15, or withholding from a December IRA distribution — and the Form 2210 penalty of each is computed on the 2026 installment calendar and the announced IRS rates.
Is 0% Capital-Gains Harvesting Really Free? Not With Social Security, the ACA or IRMAA (2026)
Harvesting long-term gains inside the 0% bracket is a standard year-end move. For retirees it is often not free: the gain can make more Social Security taxable, shrink the senior deduction, cut the ACA premium credit or cross an IRMAA tier. Each case is computed with and without the harvest.
Which Year-End Move Cuts a Retiree's 2026 Tax Most? 7 Moves x 12 Households, Federal + State + IRMAA + ACA
A Roth conversion, loss and gain harvesting, bunching, a QCD, the last RMD and the fourth-quarter payment, each run for twelve illustrative households at three sizes: the change in federal tax, state tax, the IRMAA surcharge 2026 income sets for 2028 and the ACA credit, and what the moves do together compared with alone.
The Same Year-End Move Is Worth Different Amounts in Each State: QCD and Roth Conversion, 51 Jurisdictions (2026)
A qualified charitable distribution in place of a cash gift and a Roth conversion, priced for two retiree households in all 50 states and DC: the federal change is the same everywhere, the state line is not.
How Much Tax Does Rental Income Add in Retirement? Federal and Every State, 2026
Four retiree households priced with and without net rental income in all 50 states and DC: the federal tax it adds (including the Social Security it makes taxable and the 3.8% NIIT), the state tax it adds, and the passive-loss allowance on a rental loss.
Which Tax Credits Can a Retiree Claim in 2026? EIC, Saver's Credit and the Credit for the Elderly, Computed
The earned income credit, the saver's credit and the credit for the elderly or disabled computed for early retirees working part time, pensioners over 65 and people retired on disability: who qualifies, who can use the credit, and the rules that shut retirees out.
Moving to Another State in Retirement: What the State You Leave Still Taxes, and When to Convert (2026)
A retired couple moving to a state with no income tax on July 1: the old state's part-year tax, the saving from converting to Roth after the move, how each state taxes the couple when one spouse moves first, and five moves between income-tax states.
Local Income Tax on Retirement Income: Every County, City and School District, 2026
Every county, city, school district and municipality in the local-tax registry, priced for a retired couple, a working couple and a higher-income retired couple: the earned-income taxes reach none of the retirement income; the taxes on state taxable income do.
2026 Tax Return for Retirees, Every State: Refund or Amount Owed for Five Typical Households
What five typical retiree households owe, or get back, on their 2026 federal and state returns in all 50 states and DC, with 10% withheld from IRA withdrawals and pensions: AGI, taxable Social Security, the new senior deduction, the tax and the balance at filing.
How Much Tax Will You Pay on Your RMD? 2026 Required Minimum Distributions From $250,000 to $2 Million, Federal and Every State
The federal tax a 2026 required minimum distribution adds for four retiree households at ages 73 to 85 and IRA balances of $250,000 to $2 million, why it often runs above the bracket (the Social Security it makes taxable, the senior deduction it phases out), the IRMAA effect, and the state tax on the same RMD in all 50 states and DC.
How Much Tax Do You Pay on a 401(k) Withdrawal in 2026? The Real Tax vs the 20% Withheld, Six Households and Every State
The federal tax a $10,000 to $100,000 401(k) withdrawal adds in 2026 for working, early-retired, rule-of-55 and retired households, the 10% additional tax, whether the plan’s 20% withholding covers it, the withdrawal that nets $25,000, and the state tax in every state.
How Much Income Can a Retiree Have and Pay No Federal Income Tax in 2026? The $0-Tax Ceiling by Household and Social Security, and Every State
The most IRA or pension income, and the most long-term capital gains, a retiree can have in 2026 with $0 of federal income tax, for single filers and couples at 62 and 65+ with $0 to $60,000 of Social Security, and where each state starts taxing the same income.
Working While Claiming Social Security in 2026: What the Earnings Test Withholds, What You Keep, and When You Get It Back
How much Social Security the 2026 earnings test withholds from a worker under full retirement age who earns $20,000 to $100,000, for claim ages 62 to 65 and three benefit levels; what is left of the paycheck after the withholding, payroll tax and federal income tax; and how many years the recredit at full retirement age takes to pay the withholding back.
IRMAA Cliffs in 2026: What $1 Over Costs Against the Income Tax on It, and the Moves That Push Retirees Over
What one dollar over each 2026 IRMAA tier adds in Part B and Part D surcharges for single, joint and separate filers, against the federal income tax on that income, and which common moves (a Roth conversion, a long-term gain, the year’s RMD) push six typical retiree households over a tier.
Catch-Up Contributions in 2026: What the 60–63 Super Catch-Up and the Roth Catch-Up Rule Are Worth, Six Households and Every State
The tax a pretax 2026 catch-up saves now against the tax on the same dollars at 75, for six households earning $90,000 to $250,000 at 55 and 61, what the $11,250 super catch-up for ages 60–63 adds, and what the rule that catch-ups be Roth above $150,000 of FICA wages costs, federal and in every state but Pennsylvania.
Split a Large IRA Withdrawal Across Two Tax Years or Take It at Once? Federal, Every State and IRMAA (2026)
Four retiree households take $30,000 to $200,000 from an IRA in one tax year or half in each of two: the federal tax, the IRMAA surcharge and the state tax in all 50 states and DC. Splitting usually saves, but where Social Security is partly taxable it can cost more.
Does Getting Married in Retirement Raise Your Taxes? Eight Retiree Couples, Federal, IRMAA and Every State (2026)
Eight pairs of retirees priced unmarried and married for 2026: federal income tax, the Medicare IRMAA surcharge and the state tax in every state, and the three joint-return rules behind a penalty.
Roth or Traditional 401(k)? The Answer by State, and What Retiring to a No-Tax State Changes (2026)
The tax a $10,000 traditional 401(k) contribution saves in 2026 against the tax on the same dollars at 75, for six households earning $60,000 to $250,000, in every state but Pennsylvania: staying put, retiring to a no-income-tax state, or the reverse.
Is Social Security Taxable in 2026? How Much of the Benefit Is Taxed, and the Federal Tax It Adds, for 36 Retirees
Thirty-six retirees, single and married, with $20,000 to $60,000 of Social Security and $0 to $160,000 of IRA withdrawals: the share of each benefit that is taxable on the 2026 federal rules, the federal tax the benefits add, and how many owe $0 with the senior deduction.
Which States Tax Social Security in 2026? The State Tax the Same Benefits Add, in All 50 States and DC
The same 36 retirees priced in every state with and without their benefits: the states whose rules tax Social Security, and the states that exempt it where the benefits still raise, or lower, the state tax.
Which States Tax Retirement Income in 2026? Pension, IRA, 401(k), Capital Gains and Interest, Priced in Every State
Four retirees on Social Security add $20,000 to $100,000 as a pension, an IRA or 401(k) withdrawal, long-term gains or interest: the state tax each adds in every state, and the states that tax none of it.
Which States Tax Military Retirement Pay in 2026? Four Military Retirees Priced in Every State
Four military retirees, from a 45-year-old with a second career to a couple at 67: the state tax their military retirement pay adds in all 50 states and DC, what each state's military rule saves against a private pension, and the best states for military retirees.
Will Your 2026 Tax Refund Be Bigger? The Same Household's 2025 and 2026 Tax, Federal and Every State
Nine households priced on their 2025 and 2026 returns with the same income: the federal refund change from the 2026 inflation adjustments, why the senior, tips and overtime deductions do not make 2026 bigger, and the state tax changes in all 50 states and DC.
Capital Gains Tax by State for Retirees (2026): The Federal, IRMAA and State Tax on Selling $25,000 to $500,000 of Stock
Three retirees sell stock for a $25,000 to $500,000 long-term gain: the federal tax with the NIIT and the Social Security it makes taxable, the IRMAA surcharge, and the state tax in all 50 states and DC.
State Income Tax on Retirement Income by State and Income Level (2026): $40,000 to $300,000, All 51 Jurisdictions
Two retirees on Social Security and IRA withdrawals at six income levels, $40,000 to $300,000: the 2026 state income tax and effective rate in all 50 states and DC, and the states that leave a modest income untaxed but tax a large one.
Inherited IRA Tax by State (2026): a Lump Sum or Ten Years of Withdrawals, Federal and All 51 Jurisdictions
Three beneficiaries inherit a $300,000 or $500,000 IRA: the federal tax, IRMAA and the state tax in every state if they take it at once or over the ten years of the 10-year rule.
Your Tax Bracket in Retirement vs the Rate on Your Next IRA Dollar (2026): Four Retirees, Federal and Every State
Four retirees at 67 take $0 to $150,000 from an IRA: the 2026 bracket they reach against the federal tax on the next $1,000, and the combined federal and state rate in every state.
2027 ACA Benchmark Premiums and Subsidies for Early Retirees, by State and Age (50 to 64)
The benchmark (second-lowest-cost silver) premium at ages 50 to 64 for one adult and a couple, in 29 states and every county CMS covers, with the 2027 premium tax credit from 150% to 400% of the poverty line, the cliff a dollar above it and the net premium. From CMS’s public use files; CSV and JSON included.
Every study ships a seeded, deterministic engine and open data (CSV + JSON) under an open-data license (CC0 or CC BY 4.0, noted on each study). Methods and capital-market assumptions are documented on our methodology page. These studies are educational research, not financial advice.
Want to test these ideas on your own numbers? The free Monte Carlo retirement planner needs no signup, and the Social Security claiming-age calculator applies the 2033-reduction analysis to your own benefit.