Tony Abbott and government ministry are sworn in - pictures

Tony Abbott stands across the desk from the governor general, Quentin Bryce, during the ceremony where he swears his allegiance to the Queen Photograph: LUKAS COCH/AAP

As the rest of the Abbott family look on, Abbott signs official documents and takes an oath on the Bible: "I, Anthony John Abbott, do swear that I will well and truly serve the people of Australia" Photograph: LUKAS COCH/AAP

Tony Abbott and his wife, Margie, pose with Bryce and her husband, Michael Photograph: LUKAS COCH/AAP

Following the ceremony for the new prime minister, Abbott's family join ministers, secretaries and journalists in Government House Photograph: Alan Porritt/AAP

Barnaby Joyce, deputy leader of the National party, takes his oath and is sworn in as minister for agriculture Photograph: ALAN PORRITT/AAP

Christopher Pyne settles down to sign documents that will formally make him education minister in the new Abbott government Photograph: Alan Porritt/AAP

Joe Hockey, the treasurer in the new government, shares a moment with Pyne as he adjusts his tie Photograph: ALAN PORRITT/AAP

Joe Hockey, minister for employment and workplace relations under the Howard government, is sworn in as treasurer Photograph: Alan Porritt/AAP

Julie Bishop, deputy leader of the Liberal party and minister for foreign affairs, chats to the prime minister. Bishop is the only woman in the 19-strong Coalition cabinet Photograph: ALAN PORRITT/AAP

The newly sworn-in government ministers pose for a group photograph with Bryce at Government House Photograph: LUKAS COCH/AAP

The new prime minister poses with his daughters Louise, Frances and Bridget, and his wife, Margie, on the steps of Government House Photograph: ALAN PORRITT/AAP

The three most senior politicians in the Australian government, Abbott, deputy leader, Warren Truss, and the minister for foreign affairs, Julie Bishop, lead ministers out of the house following the ceremony Photograph: LUKAS COCH/AAP