The girl group have so far scored 10 top ten hits, with current single '30 Days' on course to becoming their 11th this week.
They revealed that they still enjoy finding out where their singles enter the charts, and are glad to still be releasing new material despite the lack of a number one.
Mollie King told Daybreak: "We always look at the charts, we wake up with a message from Rochelle telling us where we are on iTunes."
Una Healy added: "It's the same old thing, we've never had one, we've had a number two loads. We've never had a number one but we're still here, still together."
King also revealed that they have chosen the second single for their currently-untitled fourth studio album.
"[The album] is in process, we know what the second single's going to be. We're just writing and recording it at the moment."
Rochelle Wiseman also spoke about her upcoming wedding to JLS singer Marvin Humes and his recent stag do celebrations.
"I saw it all online everyday, I felt more bad for him! Everyone else gets to go wild, he was followed by paps. The worst he got up to was being handcuffed to a dwarf."
When asked if The Saturdays would ever collaborate with JLS, Wiseman joked: "Please do not for me, because I'd die!"
King added: "I'd love to see Marvin and her do a duet!"
Watch the video for '30 Days' below: