Indonesia
August 1945; abrogated by Federal Constitution of 1949 and
Provisional Constitution of 1950, restored 5 July 1959; series of
amendments concluded in 2002

Iran
2-3 December 1979; revised in 1989
note: the revision in 1989 expanded powers of the presidency and
eliminated the prime ministership

Iraq
ratified on 15 October 2005 (subject to review by the
Constitutional Review Committee and a possible public referendum )

Ireland
adopted 1 July 1937 by plebiscite; effective 29 December 1937

Isle of Man
unwritten; note - The Isle of Man Constitution Act of
1961 does not embody the unwritten Manx Constitution

Israel
no formal constitution; some of the functions of a
constitution are filled by the Declaration of Establishment (1948),
the Basic Laws of the parliament (Knesset), and the Israeli
citizenship law; note - since May 2003 the Constitution, Law, and
Justice Committee of the Knesset has been working on a draft
constitution

Italy
passed 11 December 1947, effective 1 January 1948; amended
many times

Jamaica
6 August 1962

Japan
3 May 1947

Jersey
unwritten; partly statutes, partly common law and practice