List of Australian Prime Ministers by age at succession

This is the list of the Prime Ministers of Australia by their age at succession from youngest to oldest. In cases where Prime Ministers such as Alfred Deakin served multiple unconnected terms, the age at which they became Prime Minister in their first term is listed.

Rank

Prime Minister

Date of Birth

Took Office

Age at (first) succession

1

Chris Watson

9 April 1867

27 April 1904

37 years, 0 months, 18 days

2

Stanley Bruce

15 April 1883

9 February 1923

39 years, 9 months, 24 days

3

Robert Menzies

20 December 1894

26 April 1939

44 years, 4 months, 6 days

4

Malcolm Fraser

21 May 1930

11 November 1975

45 years, 5 months, 21 days

5

Andrew Fisher

29 August 1862

13 November 1908

46 years, 2 months, 15 days

6

Arthur Fadden

13 April 1895

29 August 1941

46 years, 4 months, 16 days

7

Alfred Deakin

3 August 1856

24 September 1903

47 years, 1 month, 21 days

8

Paul Keating

18 January 1944

20 December 1991

47 years, 11 months, 2 days

9

Kevin Rudd

21 September 1957

3 December 2007

50 years, 2 months, 12 days

10

Edmund Barton

18 January 1849

1 January 1901

51 years, 11 months, 14 days

11

Joseph Lyons

15 September 1879

6 January 1932

52 years, 3 months, 21 days

12

Joseph Cook

7 December 1860

24 June 1913

52 years, 6 months, 17 days

13

Billy Hughes

25 September 1862

27 October 1915

53 years, 1 month, 2 days

14

James Scullin

18 September 1876

22 October 1929

53 years, 1 month, 4 days

15

Bob Hawke

9 December 1929

11 March 1983

53 years, 3 months, 2 days

16

Frank Forde

18 July 1890

6 July 1945

54 years, 11 months, 18 days

17

John Gorton

9 September 1911

10 January 1968

56 years, 4 months, 1 day

18

Gough Whitlam

11 July 1916

5 December 1972

56 years, 4 months, 25 days

19

John Howard

26 July 1939

11 March 1996

56 years, 7 months, 14 days

20

John Curtin

8 January 1885

7 October 1941

56 years, 8 months, 29 days

21

Harold Holt

5 August 1908

26 January 1966

57 years, 5 months, 21 days

22

Sir Earle Page

8 August 1880

7 April 1939

58 years, 7 months, 30 days

23

George Reid

25 February 1845

18 August 1904

59 years, 5 months, 24 days

24

Ben Chifley

22 September 1885

13 July 1945

59 years, 9 months, 21 days

25

William McMahon

23 February 1908

10 March 1971

63 years, 0 months, 15 days

26

John McEwen

29 March 1900

19 December 1967

67 years, 8 months, 20 days