ACA Subsidy Percentages 2027 OFFICIAL

14 rows · reviewed 2026-08-05 · QuantCalc Research

Official — already published. The IRS released the 2027 indexing adjustments in Rev. Proc. 2026-26, which sets the applicable percentage table under §36B(b)(3)(A)(i) for taxable years beginning in calendar year 2027 and the required contribution percentage under §36B(c)(2)(C)(i)(II) for plan years beginning in 2027. Every percentage below is transcribed from that document. This is not a projection.

Expected contribution toward the benchmark silver plan, as a percentage of household incomeOFFICIAL
Household income as % of federal poverty line	2026 initial	2026 final	2027 initial	2027 final
Less than 133%	2.10%	2.10%	2.15%	2.15%
At least 133% but less than 150%	3.14%	4.19%	3.23%	4.30%
At least 150% but less than 200%	4.19%	6.60%	4.30%	6.78%
At least 200% but less than 250%	6.60%	8.44%	6.78%	8.66%
At least 250% but less than 300%	8.44%	9.96%	8.66%	10.22%
At least 300% but not more than 400%	9.96%	9.96%	10.22%	10.22%

2027 income boundaries in dollars — 48 contiguous states and DC
Household size	100% of FPL	150% of FPL	400% of FPL (subsidy cliff)
1	$15,960	$23,940	$63,840
2	$21,640	$32,460	$86,560
3	$27,320	$40,980	$109,280
4	$33,000	$49,500	$132,000
5	$38,680	$58,020	$154,720
6	$44,360	$66,540	$177,440
7	$50,040	$75,060	$200,160
8	$55,720	$83,580	$222,880

Methodology

Every figure in this table is generated from the canonical ACA Subsidy Percentages 2027 reference on QuantCalc, not hand-typed into this widget. Plan Roth conversions, RMDs, and IRMAA exposure together with the Roth Conversion Planner.

Data: QuantCalc — quantcalc.app/aca-subsidy-2027/ Full table + method →