A more complete description of the Attorney-General's powers can be found in the 2004 ministerial briefing prepared by the Crown Law Office, which the Attorney-General supervises.
The position of Attorney-General is distinct from that of Minister of Justice, although the two posts are sometimes held by the same person, eg Martyn Finlay 1972-75.
At present, there is no statutory basis which establishes the office of Attorney-General, although the position is referenced by a number of other legal documents, such as the Constitution Act 1986.
The Attorney-General usually has a legal background, and Michael Cullen is only the second minister without a legal background to have held the position.
The table below is an incomplete listing of New Zealand politicians who have sat in Cabinet as Attorney-General since 1856. It does not show non-political attorneys-general. There were two previous Attorneys-General before responsible government was introduced in New Zealand in 1856: Francis Fisher who held office for less than one year in 1841, and William Swainson who held office until 7 May 1856.
| Name | Premier / Prime Minister Served | Took Office | Left Office | Party |
|---|---|---|---|---|
| Frederick Whitaker | Sewell | 7 May 1856 | 20 May 1856 | None |
| William Fox | (himself) | 20 May 1856 | 2 Jun 1856 | None |
| Frederick Whitaker, 2nd time | Stafford | 2 Jun 1856 | 12 Jul 1861 | None |
| William Fox, 2nd time | (himself) | 12 Jul 1961 | 2 Aug 1861 | None |
| Thomas Gillies | Domett | 2 Aug 1861 | 23 Aug 1862 | None |
| Henry Sewell | Domett | 23 Aug 1862 | 1 Jul 1863 | None |
| Frederick Whitaker, 3rd time | Domett, (himself) | 1 Jul 1863 | 24 Nov 1864 | None |
| Henry Sewell, 2nd time | Weld | 24 Nov 1864 | 16 Oct 1865 | None |
| James Prendergast | Edward Stafford | 16 Oct 1865 | 1 Sep 1876 | None |
| Frederick Whitaker, 4th time | Atkinson | 1 Sep 1876 | 13 Oct 1877 | None |
| Robert Stout | Grey | 13 Mar 1878 | 25 June 1879 | None |
| Frederick Whitaker, 5th time | (himself) | 21 Apr 1882 | 25 Sep 1883 | None |
| Edward Connolly | Atkinson, Harry | 25 Sep 1883 | 16 Aug 1884 | None |
| Robert Stout, 2nd time | (himself) | 16 Aug 1884 | 28 Aug 1884 | None |
| Robert Stout, 3rd time | (himself) | 3 Sep 1884 | 8 Oct 1887 | None |
| Frederick Whitaker, 6th time | Atkinson | 11 Oct 1887 | 24 Jan 1891 | None |
| Patrick Alphonsus Buckley | Ballance, Seddon | 24 Jan 1891 | 20 Dec 1895 | Liberal |
| Albert Pitt | Seddon, Hall-Jones, Ward | 22 Jun 1903 | 18 Nov 1906 | Liberal |
| John Findlay | Ward | 23 Nov 1906 | 26 Dec 1911 | Liberal |
| Alexander Herdman | Massey | 10 Jul 1912 | 4 Feb 1918 | Reform |
| Francis Bell | Massey, (himself), Coates | 4 Feb 1918 | 18 Jan 1926 | Reform |
| William Downie Stewart | Coates | 18 Jan 1926 | 24 May 1926 | Reform |
| Francis Rolleston | Coates | 24 May 1926 | 26 Nov 1928 | Reform |
| Thomas Sidey | Ward, Forbes | 10 Dec 1928 | 22 Sep 1931 | United |
| William Downie Stewart, 2nd time | Forbes | 22 Sep 1931 | 28 Jan 1933 | Reform |
| George Forbes | (himself) | 28 Jan 1933 | 6 Dec 1935 | United |
| Rex Mason | Savage, Fraser | 6 Dec 1935 | 13 Dec 1949 | Labour |
| Clifton Webb | Holland | 13 Dec 1949 | 26 Nov 1954 | National |
| Jack Marshall | Holland, Holyoake | 26 Nov 1954 | 12 Dec 1957 | National |
| Rex Mason, 2nd time | Nash | 12 Dec 1957 | 12 Dec 1960 | Labour |
| Ralph Hanan | Holyoake | 12 Dec 1960 | 24 Jul 1969 | National |
| Jack Marshall, 2nd time | Holyoake | 22 Dec 1969 | 2 Feb 1971 | National |
| Dan Riddiford | Holyoake | 2 Feb 1971 | 9 Feb 1972 | None |
| Roy Jack | Marshall | 9 Feb 1972 | 8 Dec 1972 | National |
| Martyn Finlay | Kirk, Rowling | 8 Dec 1972 | 12 Dec 1975 | Labour |
| Peter Wilkinson | Muldoon | 12 Dec 1975 | 13 Dec 1978 | National |
| Jim McLay | Muldoon | 13 Dec 1978 | 26 Jul 1984 | National |
| Geoffrey Palmer | Lange | 26 Jul 1984 | 4 Aug 1989 | Labour |
| David Lange | Palmer, Moore | 4 Aug 1989 | 2 Nov 1990 | Labour |
| Paul East | Bolger | 2 Nov 1990 | 5 Dec? 1997 | National |
| Doug Graham | Bolger, Shipley | 5 Dec? 1997 | 5 Dec 1999 | National |
| Margaret Wilson | Clark | 5 Dec 1999 | 28 Feb 2005 | Labour |
| Michael Cullen | Clark | 28 Feb 2005 | 19 Oct 2005 | Labour |
| David Parker | Clark | 19 Oct 2005 | 20 Mar 2006 | Labour |
| Michael Cullen, 2nd time | Clark | 21 Mar 2006 | incumbent | Labour |