ARCHIVE // JP // TIME-SERIES
Constitution
Japan — 36 years of data
Historical Values
| Year | Value |
|---|---|
| 1990 | 3 May 1947 |
| 1991 | 3 May 1947 |
| 1992 | 3 May 1947 |
| 1993 | 3 May 1947 |
| 1994 | 3 May 1947 |
| 1995 | 3 May 1947 |
| 1996 | 3 May 1947 |
| 1997 | 3 May 1947 |
| 1998 | 3 May 1947 |
| 1999 | 3 May 1947 |
| 2000 | 3 May 1947 |
| 2001 | 3 May 1947 |
| 2002 | 3 May 1947 |
| 2003 | 3 May 1947 |
| 2004 | 3 May 1947 |
| 2005 | 3 May 1947 |
| 2006 | 3 May 1947 |
| 2007 | 3 May 1947 |
| 2008 | 3 May 1947 |
| 2009 | 3 May 1947 |
| 2010 | 3 May 1947 |
| 2011 | 3 May 1947 |
| 2012 | 3 May 1947 |
| 2013 | previous 1890; latest approved 6 October 1946, adopted 3 November 1946, effective 3 May 1947 (2013) |
| 2014 | previous 1890; latest approved 6 October 1946, adopted 3 November 1946, effective 3 May 1947 (2013) |
| 2015 | previous 1890; latest approved 6 October 1946, adopted 3 November 1946, effective 3 May 1947 (2013) |
| 2016 | previous 1890; latest approved 6 October 1946, adopted 3 November 1946, effective 3 May 1947 ; note - the constitution has not been amended since its enactment in 1947 (2016) |
| 2017 | previous 1890; latest approved 6 October 1946, adopted 3 November 1946, effective 3 May 1947; note - the constitution has not been amended since its enactment in 1947 (2016) |
| 2018 | history: previous 1890; latest approved 6 October 1946, adopted 3 November 1946, effective 3 May 1947 (2017) | amendments: proposed by the Diet; passage requires approval by at least two-thirds majority of both houses of the Diet and approval by majority in a referendum; note - the constitution has not been amended since its enactment in 1947 (2017) |
| 2019 | history: previous 1890; latest approved 6 October 1946, adopted 3 November 1946, effective 3 May 1947 | amendments: proposed by the Diet; passage requires approval by at least two-thirds majority of both houses of the Diet and approval by majority in a referendum; note - the constitution has not been amended since its enactment in 1947 (2017) |
| 2020 | history: previous 1890; latest approved 6 October 1946, adopted 3 November 1946, effective 3 May 1947 | amendments: proposed by the Diet; passage requires approval by at least two-thirds majority of both houses of the Diet and approval by majority in a referendum; note - the constitution has not been amended since its enactment in 1947 |
| 2021 | history: previous 1890; latest approved 6 October 1946, adopted 3 November 1946, effective 3 May 1947 amendments: proposed by the Diet; passage requires approval by at least two-thirds majority of both houses of the Diet and approval by majority in a referendum; note - the constitution has not been amended since its enactment in 1947 |
| 2022 | history: previous 1890; latest approved 6 October 1946, adopted 3 November 1946, effective 3 May 1947 amendments: proposed by the Diet; passage requires approval by at least two-thirds majority of both houses of the Diet and approval by majority in a referendum; note - the constitution has not been amended since its enactment in 1947 |
| 2023 | history: previous 1890; latest approved 6 October 1946, adopted 3 November 1946, effective 3 May 1947 amendments: proposed by the Diet; passage requires approval by at least two-thirds majority of both houses of the Diet and approval by majority in a referendum; note - the constitution has not been amended since its enactment in 1947 |
| 2024 | history: previous 1890; latest approved 6 October 1946, adopted 3 November 1946, effective 3 May 1947 amendments: proposed by the Diet; passage requires approval by at least two-thirds majority of both houses of the Diet and approval by majority in a referendum; note - the constitution has not been amended since its enactment in 1947 |
| 2025 | history: previous 1890; latest approved 6 October 1946, adopted 3 November 1946, effective 3 May 1947 amendment process: proposed by the Diet; passage requires approval by at least two-thirds majority of both houses of the Diet and approval by majority in a referendum |