The album's first single, "You've Changed" was released in December 2009 and the second, "Clap Your Hands", in April 2010.We Are Born debuted at number 2 on the Australian Albums Chart and was Sia's first top 10 release in her home country. The album won Best Pop Release and Best Independent Release at the 2010 ARIA Music Awards. The album received Gold accreditation in the Australian ARIA charts in 2011.
We Are Born was received with generally favorable reviews with a score of 73 at Metacritic based on 9 reviews. Entertainment Weekly said: "On We Are Born the chanteuse explores more caffeinated avenues...It's party music with a heart." Slant Magazine said: "While We Are Born may not be as immediate or distinctive a statement as its predecessor, there's ultimately very little about it that doesn't work."
The album was nominated for a J Award on 26 July 2010.
At the 2010 ARIA Music Awards the album was nominated for Album of the Year, Best Pop Release and Best Independent Release. "Clap Your Hands" was nominated for Single of the Year. Kris Moyes won best video for Sia's video for "Clap Your Hands".
We Are Born debuted at number 2 on the Australian Albums Chart behind Eminem's Recovery, at number 37 on the American Billboard 200 albums chart, at number 9 on the Greek international albums chart, number 7 on the Dutch Albums Chart, number 38 in Switzerland, number 78 in Belgium, number 14 in Denmark, number 24 in Finland, number 73 in Germany and number 60 in Canada. The album also debuted at #74 on the UK Albums Chart in the week ending 3 October 2010, making it her first album to reach the top 100 there.
The album received Gold accreditation for shipments of 35,000 copies in the Australian ARIA charts in 2011.