Data from Pewfor average marketplace benchmark plans, per month:
Figure 1: Average benchmark ACA premium (Silver plan, 40yr old), $/mo (blue). Note there is wide dispersion in plan premia given different states, demographics, income. Source: KFFaccessed 10/30/2025.
As noted in the CBO letter, in 2026 (2027), 2 (3.5) million more people would be covered by permanently extending the expanded premium tax credit, relative to not.
Source: CBO, 18 Sep 2025.
The cost of making the expanded tax credit permanent would cost about $350 bn over ten years. For comparison, making permanent the provisions of the TCJA cost about $4.6 trn over ten years.
Heterogeneity of impacts is illustrated by this graphic from NYT based on Pew data:
Source: NOW, 30 Oct 25.
