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2026 vs 2015 401(k) & IRA Limits

401(k) deferral $24,500 vs $18,000; IRA $7,500 vs $5,500.

By Sammy S. · Founder · AuthorUpdated for 2026

401(k) deferral

−$6,500

IRA limit

−$2,000

50+ catch-up

−$2,000

Side-by-side scoreboard

2026

$24,500

401(k) elective deferral

IRA
$7,500
50+ catch-up
$8,000
§415(c)
$72,000
2026 profile →

2015

$18,000

401(k) elective deferral

IRA
$5,500
50+ catch-up
$6,000
§415(c)
$53,000
2015 profile →

Full limit comparison

401(k) elective deferral

2026$24,500
2015$18,000

Age 50+ catch-up

2026$8,000
2015$6,000

Total under 60 / 64+

2026$32,500
2015$24,000

Ages 60–63 catch-up

2026$11,250
2015—

IRA limit

2026$7,500
2015$5,500

IRA at age 50+

2026$8,600
2015$6,500

§415(c) combined

2026$72,000
2015$53,000

Compensation cap

2026$360,000
2015$265,000

SIMPLE elective

2026$17,000
2015$12,500

Education

What the 2026 → 2015 changes mean for savers

More (or less) paycheck deferral room

The elective-deferral change of $6,500 (decrease) is the maximum extra (or reduced) amount under-50 workers could elect from pay—before catch-up. Age-50+ catch-up moved $2,000.

IRA room is independent

IRA limits changed by $2,000. That room stacks with workplace deferrals, so a COLA on both sides can meaningfully raise total tax-advantaged savings capacity even if each individual jump looks small.

Watch §415(c) if you get a large match

Combined additions rose from $72,000 to $53,000. High earners with rich matches can hit this ceiling before they exhaust elective-deferral + catch-up room.

Super catch-up context

Ages 60–63 catch-up: $11,250 in 2026 vs n/a in 2015. Eligible participants use that amount instead of the regular age-50+ catch-up.

Compare other years

Compare any two years

401(k) deferrals, catch-ups, IRA limits, and §415(c) caps.

FAQs

The §402(g) elective deferral limit went from $24,500 in 2026 to $18,000 in 2015 ($-6,500 change). Age-50+ catch-up went from $8,000 to $6,000.

The IRA limit moved from $7,500 to $5,500. Age-50+ IRA catch-up went from $1,100 to $1,000 (max $6,500 at age 50+ in 2015).

2026: $32,500 ($24,500 + $8,000). 2015: $24,000 ($18,000 + $6,000).

In 2026: $11,250. In 2015: not available.

Annual additions (employee + employer) were capped at $72,000 in 2026 vs $53,000 in 2015. The compensation cap moved from $360,000 to $265,000.

SIMPLE elective contributions: $17,000 → $12,500. SIMPLE age-50+ catch-up: $4,000 → $3,000.

2026 was higher ($24,500 vs $18,000).

No in either year. Match and other employer contributions do not reduce your §402(g) elective-deferral room, but they do count toward the higher §415(c) annual-additions limit.

Yes for both years: Traditional and Roth share one annual IRA limit ($7,500 in 2026, $5,500 in 2015), plus catch-up if eligible. Roth contributions also face AGI phaseouts that change yearly.

These pages are IRS reference tables for tax years 2026 and 2015. The 401(k) match and Roth IRA calculators model current-year limits, not a historical year selector.