Huge ticket sales for next year's Where We Are stadium tour have put them on track to surpass rock gods U2 and The Rolling Stones by becoming the first act to break the billion dollar mark (£610million) in a single year.
If that wasn't enough, 1D are also set to eclipse U2's record for average tour attendance which stands at 66,110 for their 2009-2011, 110-show 360° Tour.
U2 and the Stones currently hold the top two spots for onthe-road earnings, raking in £467million and £341million for their 360° and Bigger Bang tours.
Harry, Louis, Liam, Zayn and Niall already have 88 dates booked for 2014 at some of the biggest stadiums in Europe, South America and the US.
Venues that hold 80,000 plus concertgoers have already sold out across the US, as have others across South America and Europe.
A spokesman for the band in the US told Rehab: "Demand was so enormous for Where We Are tickets that 21 American dates had to be added to the original schedule.
"It is absolutely conceivable that still more could be squeezed in before the end of 2014 but that will ultimately be up to the band and its management.
"Until now we hadn't even thought in terms of breaking records.
"But it would be amazing for 1D to climb to the very top of the tour league so early in the group's career. That would be a phenomenal testament to the loyalty and support of their fans."
Last month's release of Midnight Memories saw 1D become the only British band ever to have their first three albums debut at No.1 in the US charts.
The boys are also in a two-horse race with Robbie Williams to land the Christmas No.1 album.
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