Read: ObamaCare enrollment report

A dramatic surge of nearly 3.8 million enrollments in March and April helped bring ObamaCare's total sign-up number to more than 8 million, the Obama administration revealed Thursday.

People enrolling in healthcare plans through the exchanges at the last minute included nearly 1.2 million younger people aged 18 to 34, a group that made up 28 percent of the final number, federal health officials reported.

ObamaCare Enrollment Report

Read more from The Hill:

Late surge fueled O-Care