The cover of Empires was launched into space on 12 March 2015. To further promote the album, the group performed single "Touch the Sky" on the Today Show on 2 April 2015. The album is United's fourth studio album, and was released on 26 May 2015 by Hillsong Music and Sparrow Records. It was released in CD, digital download, and vinyl formats.
Singles
The lead single from the album was "Touch the Sky", which was released to digital retailers on 24 March 2015, and to Christian radio on 11 April 2015. "Say the Word" was released as the second single from the album on 1 February 2016.
Promotional singles
"Prince of Peace" was released to digital retailers on 21 April 2015 as a promotional single followed by "Heart Like Heaven", released to the iTunes Store and as a lyric video on Hillsong United's YouTube channel on 18 May 2015.
Critical reception
Giving the album three and a half stars at CCM Magazine, Caroline Lusk says, "Empires is a stunning display of universally relevant themes". Brian Mansfield, rating the album two and a half stars out of four for USA Today, states, "Empires focuses on submission and service." Rating the album four stars from New Release Tuesday, Marcus Hathcock describes feeling "awkward", after he finished listening to the album. Awarding the album five stars from FDRMX, Jessica Morris writes, "Hillsong UNITED have done an extraordinary job in putting together and delivering an album that is both authentic and of the highest quality." Ryan Barbee, giving the album four and a half stars for Jesus Freak Hideout, says, "Empires, might continue to walk the love/hate line for some people". Rating the album three and a half stars at Jesus Freak Hideout, Mark Rice writes, "Empires all the way through almost relegates it to the status of a lullaby album", as compared to their previous offering. Scott Fryberer, awarding the album four stars from Jesus Freak Hideout, states, "United doesn't necessarly win points for the most creative lyricism, but they're leagues above where they used to be". Indicating in a four and a half star review from Worship Leader, Jeremy Armstrong writes, "paradoxes of faith and God's greatness resound throughout." Awarding the album five stars at Louder Than the Music, Jono Davies says it's simply, "Superb." Abby Baracskai, rating the album a 4.0 out of five for Christian Music Review, states, "the album was interesting to listen to musically because of all the minute details compiled together to create unique sounds, and lyric wise because of the important messages they illustrate." Giving the album five stars from CM Addict, Michael Tackett writes, "Simply put…Empires is a masterpiece." Tony Cummings, affixing a ten out of ten rating upon the album at Cross Rhythms, says, "United have produced a classic album with the potential to change tens of thousands of lives."
Commercial performance
In the United States, the album debuted at No. 5 on the Billboard 200 chart in its first week with 50,000 units, 47,000 of which are pure album sales, making this Hillsong United's best ever sales week. It also debuted at No. 1 on the Top Christian Albums chart and No. 2 on the Digital Albums. The album has sold 122,000 copies in the United States as of June 2016.
Accolades
This album was No. 12, on the Worship Leaders Top 20 Albums of 2015 list. The song, "Heart Like Heaven", was No. 6, on the Worship Leaders Top 20 Songs of 2015 list.
