KFF estimates a more than 20% decline, driven largely by the expiration of enhanced subsidies that made marketplace insurance affordable for millions.

An uptick in people skipping Obamacare premium payments in many states suggests the Affordable Care Act’s rising costs — driven partly by lower subsidies to help people buy plans…

Enrollment in Affordable Care Act marketplace plans could decline to 17.5 million people this year, according to a new KFF analysis. | Enrollment in Affordable Care Act…