Hulu has more than 17m subscribers

"Hulu closed its fiscal year 2017 with more than 17 million total subscribers across its SVoD and live TV plans in the US – over 5 million more subscribers and a more than 40 per cent lift from the company’s last publicly reported total in 2016. The company also announced that its total audience grew to 54 million total unique viewers.
Hulu expanded its on-demand library in 2017 to over 75,000 episodes of television across 1700 titles – more than twice the number of episodes available on any of the other leading streaming services – adding all existing episodes of more than 600 popular and award-winning series, including This is Us, Designated Survivor, Atlanta, Futurama, 30 Rock, Black-ish, Lost, How I Met Your Mother, Bob’s Burgers, Will & Grace, Power, Golden Girls, Prison Break, Full House and Family Matters."

Source - Advanced Television, 10th January 2018