Ratings/United Kingdom

In the United Kingdom, The 100 is shown on E4.

BARB, the official organisation that compiles television ratings, typically releases viewing figures 2-3 weeks after initial airdate.

Season One
Aired Mondays at 9pm, starting with the Pilot on July 7th, 2014.

Season Two
Aired on Tuesday at 9pm, starting with The 48 on January 6th, 2015.