The CIA World Factbook Every edition, 1990 to 2025 Europe
Constitution Italy, in 36 editions.
The entry for Italy published Constitution in 36 editions of 36, from 1990 to 2025. The text changed in 12 editions. Each is shown as published. Constitution in every entry.
- editions changed the text
- 12
- the first edition with it
- 1990
- the latest edition with it
- 2025
Published as “Constitution” (1990 to 2025).
field in that editiontext changed from the edition beforenot in that editionthe edition shownChoose an edition on the strip beside the text, or step through them with the arrows. Mark changes compares it with the edition before: the marks are ours, words added and words removed.
2025 edition
Changed since 2024The same text in 14 editions, 1990 to 2003.
1 January 1948
1 January 1948
- passed 11 December 1947;
- effective 1 January 1948;
- amended many times
passed 11 December 1947; effective 1 January 1948 1948; amended many times
The same text in 8 editions, 2005 to 2012.
passed 11 December 1947, effective 1 January 1948; amended many times
passed 11 December 1947; 1947, effective 1 January 1948; amended many times
The same text in 3 editions, 2013 to 2015.
- previous 1848 (originally for Kingdom of Sardinia and adopted by Kingdom of Italy in 1861);
- latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948;
- amended many times, last in 2012 (2013)
Rewritten: too little of the 2012 text remains to mark the changes.
previous 1848 (originally for Kingdom of Sardinia and adopted by Kingdom of Italy in 1861); latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948; amended many times, last in 2012 (2013)
- previous 1848 (originally for Kingdom of Sardinia and adopted by Kingdom of Italy in 1861);
- latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948;
- amended many times, last in 2012;
- note - a proposed amendment that would significantly alter the parliament is slated for a referendum in October 2016 (2016)
previous 1848 (originally for Kingdom of Sardinia and adopted by Kingdom of Italy in 1861); latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948; amended many times, last in 2012 (2013) 2012; note - a proposed amendment that would significantly alter the parliament is slated for a referendum in October 2016 (2016)
- history:
- previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861);
- latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948
- amendments:
- proposed by both houses of Parliament;
- passage requires two successive debates and approval by absolute majority of each house on the second vote;
- a referendum is only required when requested by one-fifth of the members of either house, by voter petition, or by five Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy);
- referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote;
- amended many times, last in 2012;
- note - a referendum held on 4 December 2016 on constitutional amendments was defeated (2017)
Rewritten: too little of the 2016 text remains to mark the changes.
history: previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861); latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948
amendments: proposed by both houses of Parliament; passage requires two successive debates and approval by absolute majority of each house on the second vote; a referendum is only required when requested by one-fifth of the members of either house, by voter petition, or by five Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy); referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote; amended many times, last in 2012; note - a referendum held on 4 December 2016 on constitutional amendments was defeated (2017)
- history:
- previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861);
- latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948 (2017)
- amendments:
- proposed by both houses of Parliament;
- passage requires two successive debates and approval by absolute majority of each house on the second vote;
- a referendum is only required when requested by one-fifth of the members of either house, by voter petition, or by five Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy);
- referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote;
- amended many times, last in 2012;
- note - a referendum held on 4 December 2016 on constitutional amendments was defeated (2017)
history: previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861); latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948 (2017)
amendments: proposed by both houses of Parliament; passage requires two successive debates and approval by absolute majority of each house on the second vote; a referendum is only required when requested by one-fifth of the members of either house, by voter petition, or by five Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy); referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote; amended many times, last in 2012; note - a referendum held on 4 December 2016 on constitutional amendments was defeated (2017)
- history:
- previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861);
- latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948
- amendments:
- proposed by both houses of Parliament;
- passage requires two successive debates and approval by absolute majority of each house on the second vote;
- a referendum is only required when requested by one fifth of the members of either house, by voter petition, or by five Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy);
- referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote;
- amended many times, last in 2012;
- note - a referendum held on 4 December 2016 on constitutional amendments was defeated (2017)
history: previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861); latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948 (2017)
amendments: proposed by both houses of Parliament; passage requires two successive debates and approval by absolute majority of each house on the second vote; a referendum is only required when requested by one-fifth one fifth of the members of either house, by voter petition, or by five Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy); referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote; amended many times, last in 2012; note - a referendum held on 4 December 2016 on constitutional amendments was defeated (2017)
- history:
- previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861);
- latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948
- amendments:
- proposed by both houses of Parliament;
- passage requires two successive debates and approval by absolute majority of each house on the second vote;
- a referendum is only required when requested by one fifth of the members of either house, by voter petition, or by five Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy);
- referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote;
- amended many times, last in 2012;
- note - a referendum held on 4 December 2016 on constitutional amendments was defeated
history: previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861); latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948
amendments: proposed by both houses of Parliament; passage requires two successive debates and approval by absolute majority of each house on the second vote; a referendum is only required when requested by one fifth of the members of either house, by voter petition, or by five Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy); referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote; amended many times, last in 2012; note - a referendum held on 4 December 2016 on constitutional amendments was defeated (2017)
- history:
- previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861);
- latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948
- amendments:
- proposed by both houses of Parliament;
- passage requires two successive debates and approval by absolute majority of each house on the second vote;
- a referendum is only required when requested by one fifth of the members of either house, by voter petition, or by five Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy);
- referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote;
- amended many times, last in 2020
history: previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861); latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948
amendments: proposed by both houses of Parliament; passage requires two successive debates and approval by absolute majority of each house on the second vote; a referendum is only required when requested by one fifth of the members of either house, by voter petition, or by five Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy); referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote; amended many times, last in 2012; note - a referendum held on 4 December 2016 on constitutional amendments was defeated 2020
The same text in 2022 and 2023.
- history:
- previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861);
- latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948
- amendments:
- proposed by both houses of Parliament;
- passage requires two successive debates and approval by absolute majority of each house on the second vote;
- a referendum is only required when requested by one fifth of the members of either house, by voter petition, or by 5 Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy);
- referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote;
- amended many times, last in 2020
history: previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861); latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948
amendments: proposed by both houses of Parliament; passage requires two successive debates and approval by absolute majority of each house on the second vote; a referendum is only required when requested by one fifth of the members of either house, by voter petition, or by five 5 Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy); referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote; amended many times, last in 2020
- history:
- previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861);
- latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948
- amendments:
- proposed by both houses of Parliament;
- passage requires two successive debates and approval by absolute majority of each house on the second vote;
- a referendum is only required when requested by one fifth of the members of either house, by voter petition, or by 5 Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy);
- referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote;
- amended many times, last in 2020;
- note - in June 2024, the Senate approved in its first vote an amendment calling for the direct election of the prime minister;
- subsequent votes by both the Senate and House of Deputies is required for passage;
- lacking approval by Parliament, approval is required by constitutional referendum
history: previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861); latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948
amendments: proposed by both houses of Parliament; passage requires two successive debates and approval by absolute majority of each house on the second vote; a referendum is only required when requested by one fifth of the members of either house, by voter petition, or by 5 Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy); referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote; amended many times, last in 2020 2020; note - in June 2024, the Senate approved in its first vote an amendment calling for the direct election of the prime minister; subsequent votes by both the Senate and House of Deputies is required for passage; lacking approval by Parliament, approval is required by constitutional referendum
- history:
- previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861);
- latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948
- amendment process:
- proposed by both houses of Parliament;
- passage requires two successive debates and approval by absolute majority of each house on the second vote;
- a referendum is only required when requested by one fifth of the members of either house, by voter petition, or by 5 Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy);
- referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote
history: previous 1848 (originally for the Kingdom of Sardinia and adopted by the Kingdom of Italy in 1861); latest enacted 22 December 1947, adopted 27 December 1947, entered into force 1 January 1948amendments: amendment process: proposed by both houses of Parliament; passage requires two successive debates and approval by absolute majority of each house on the second vote; a referendum is only required when requested by one fifth of the members of either house, by voter petition, or by 5 Regional Councils (elected legislative assemblies of the 15 first-level administrative regions and 5 autonomous regions of Italy); referendum not required if an amendment has been approved by a two-thirds majority in each house in the second vote; amended many times, last in 2020; note - in June 2024, the Senate approved in its first vote an amendment calling for the direct election of the prime minister; subsequent votes by both the Senate and House of Deputies is required for passage; lacking approval by Parliament, approval is required by constitutional referendum
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Cite this page
Central Intelligence Agency. “Italy: Constitution.” The World Factbook, 1990–2025 editions. Archived by The Factbook, thefactbook.org/italy/constitution.