Editing Constitutional amendment (section)

== Summary of methods ==
<!-- Omit procedures that are rarely used or otherwise insignificant from the table – add those to their respective sections. -->{| class="wikitable sortable mw-collapsible"
|+Table of amendment procedures<ref>{{Cite web|title=Read about "Constitution amendment procedure" on Constitute|url=https://www.constituteproject.org/search?lang=en&key=amend&status=in_force|website=www.constituteproject.org|language=en-US|access-date=2020-05-08}}</ref><ref>{{Cite web|title=Read about "Unamendable provisions" on Constitute|url=https://www.constituteproject.org/search?lang=en&key=unamend&status=in_force|website=www.constituteproject.org|language=en-US|access-date=2020-05-23}}</ref>
!Constitution
!Proposed by
!Approval by
!Referendum requirement
!Majority or [[Supermajority]]
!Entrenched clauses?
|-
|[[Constitution of Afghanistan|Afghanistan]]
|[[President of Afghanistan|President]]
|Legislature
|No
|2/3
|Yes
|-
|[[Constitution of Albania|Albania]]
|[[Parliament of Albania|Legislature]] (1/5)
|Legislature
|Yes
|2/3 + >50%
|No
|-
|[[Algerian Constitution of 1996|Algeria]]
|[[President of Algeria|President]]
|Both houses of legislature + referendum (or Constitutional council + both houses of legislature)
|
|>50% (or 3/4)
|Yes
|-
| rowspan="2" |[[Constitution of Andorra|Andorra]]
|[[Co-Princes of Andorra|Monarch]]
| rowspan="2" |Legislature
| rowspan="2" |Yes
| rowspan="2" |2/3 + >50%
| rowspan="2" |No
|-
|[[General Council (Andorra)|Legislature]] (1/3)
|-
| rowspan="2" |[[Constitution of Angola|Angola]]
|[[President of Angola|President]] 
| rowspan="2" |Legislature
| rowspan="2" |
| rowspan="2" |2/3
| rowspan="2" |Yes
|-
|[[National Assembly (Angola)|Legislature]] (1/3)
|-
|Antigua and Barbuda
|
|Both houses of legislature
|Yes
|2/3 (>50% in upper house) + 2/3
|No
|-
|[[Argentine Constitution of 1853|Argentina]]
|[[National Congress of Argentina|Legislature]] (2/3)
|Constitutional convention
|No
|2/3
|No
|-
|[[Constitution of Armenia|Armenia]]
|1/3 of Parliament, the Government, or 200,000 voters for certain amendments; 1/4 of Parliament, the Government, or 150,000 voters for others. Additional 300,000 voters overrides need for Parliament.
|Legislature
|Sometimes
|2/3 (+ >50%).
|Yes
|-
|[[Constitution of Australia|Australia]]
|[[Parliament of Australia|Legislature]] (1 member)
|Both houses of legislature (usually; see [[#Australia|below]])
|Yes
|>50% ([[Majority#Related terms|absolute]]) in legislature + >50% (simple) nationally {{em|and}} in at least 4 of the 6 states {{em|and}} in any state where certain rights of that state are affected
|No
|-
|[[Constitution of Austria|Austria]]
|
|Lower house (+ upper house in certain cases)
|Sometimes (fundamental changes)
|2/3 + (2/3)
|No
|-
|[[Constitution of Bahrain|Bahrain]]
|[[National Assembly (Bahrain)|Legislature]] (15 members)
|Both houses of legislature (or joint session)
|Yes
|2/3 (or 2/3)
|Yes
|-
|[[Constitution of Bangladesh|Bangladesh]]
|
|Legislature
|Yes
|2/3
|Yes
|-
|[[Constitution of Belgium|Belgium]]
|[[Belgian Federal Parliament|Legislature]] (either house)
|Legislature (before and after an election)
|No
|2/3
|Yes (during a regency)
|-
| rowspan="3" |[[Constitution of Brazil|Brazil]]
|[[President of Brazil|President]]
| rowspan="3" |Both houses of legislature
| rowspan="3" |No
| rowspan="3" |3/5
| rowspan="3" |Yes
|-
|[[National Congress of Brazil|Legislature]] (1/3 of either house)
|-
|Sub-national legislature (>50%)
|-
| rowspan="2" |[[Constitution of Bulgaria|Bulgaria]]
|[[President of Bulgaria|President]]
|Legislature (or constitutional convention for certain amendments)
|
|3/4 or 2/3 in two sittings (2/3 for constitutional convention)
|No
|-
|[[National Assembly (Bulgaria)|Legislature]] (1/4)
|
|
|2/3
|
|-
| rowspan="3" |[[Cambodia]]
|[[Monarchy of Cambodia|Monarch]]
| rowspan="3" |Legislature
| rowspan="3" |No
| rowspan="3" |2/3
| rowspan="3" |Yes
|-
|[[Prime Minister of Cambodia|Prime Minister]]
|-
|[[Parliament of Cambodia|Legislature]] (1/4)
|-
|[[Constitution of Canada|Canada]]
|
|Both houses of legislature + 2/3 of provincial legislatures representing majority of population
|No
|>50% + >50%
|No
|-
|[[Chilean Constitution of 1980|Chile]]
|[[Congress of Chile|Legislature]] or [[President of Chile|President]]
|Both houses of legislature
|No
|4/7
|No
|-
| rowspan="2" |[[Constitution of the People's Republic of China|China, People's Republic of]]
|[[National People's Congress|Legislature]] ([[Standing Committee of the National People's Congress|Standing Committee]])
| rowspan="2" |Legislature
| rowspan="2" |No
| rowspan="2" |2/3
| rowspan="2" |No
|-
|[[National People's Congress|Legislature]] (1/5)
|-
|[[Constitution of the Republic of China|China, Republic of]]
|[[Legislative Yuan|Legislature]] (1/4)
|Legislature
|Yes
|3/4 + >50% of total electorate
|No
|-
|[[Constitution of the Czech Republic|Czech Republic]]
|
|Both houses of legislature
|No
|3/5
|Yes
|-
|[[Constitution of Denmark|Denmark]]
|
|Legislature (before and after an election) 
|Yes
|>50% + >50% (representing >40% of electorate)
|No
|-
| rowspan="2" |[[Constitution of Djibouti|Djibouti]]
|[[President of Djibouti|President]]
| rowspan="2" |Legislature (or legislature + referendum)
| rowspan="2" |Yes
| rowspan="2" |2/3 (or >50% + >50%)
| rowspan="2" |Yes
|-
|[[National Assembly (Djibouti)|Legislature]] (1/3)
|-
| rowspan="3" |[[2008 Constitution of Ecuador|Ecuador]]
|[[President of Ecuador|President]]
| rowspan="3" |Legislature (or Legislature + referendum)
| rowspan="3" |
| rowspan="3" |2/3 (or >50% + >50%
| rowspan="3" |Yes
|-
|[[National Assembly (Ecuador)|Legislature]] (1/3)
|-
|Electorate (1%)
|-
| rowspan="2" |[[Constitution of Estonia|Estonia]]
|[[President of Estonia|President]]
| rowspan="2" |Legislature with or without an election (or referendum)
| rowspan="2" |
| rowspan="2" |>50% + 3/5 after an election or 4/5 without an election (or >50%)
| rowspan="2" |No
|-
|[[Riigikogu|Legislature]] (1/5)
|-
| rowspan="2" |[[Constitutions of Ethiopia|Ethiopia]]
|[[Federal Parliamentary Assembly|Legislature]] (2/3 of either house)
| rowspan="2" |Legislature in joint session + sub-national legislatures (or each house of legislature + sub-national legislature for certain sections)
| rowspan="2" |
| rowspan="2" |2/3 + 2/3 (or 2/3 + 100%)
| rowspan="2" |No
|-
|Sub-national legislatures (1/3)
|-
| rowspan="2" |[[Constitution of Egypt|Egypt]]
|[[President of Egypt|President]]
| rowspan="2" |Lower house
| rowspan="2" |Yes
| rowspan="2" |2/3 + >50%
| rowspan="2" |Yes
|-
|[[Parliament of Egypt|Legislature]] (1/5 of [[House of Representatives (Egypt)|lower house]])
|-
|[[Constitution of Fiji|Fiji]]
|
|Legislature
|Yes
|3/4 + 3/4
|Yes
|-
| rowspan="2" |[[Constitution of Finland|Finland]]
|Government
| rowspan="2" |Legislature before and after an election (or a proposal can be declared by 5/6 as "urgent" and can then be passed without an election)
| rowspan="2" |No
| rowspan="2" |>50% + 2/3 (or 5/6 + 2/3)
| rowspan="2" |No
|-
|[[Parliament of Finland|Legislature]] (1 member)
|-
| rowspan="2" |[[Constitution of France|France]]
|[[President of France|President]]
| rowspan="2" |Both houses of legislature (or legislature in joint session)
| rowspan="2" |Yes
| rowspan="2" |>50% + >50% (or 3/5)
| rowspan="2" |No
|-
|[[French Parliament|Legislature]] (any legislator)
|-
| rowspan="3" |[[Constitution of Gabon|Gabon]]
|[[President of Gabon|President]]
| rowspan="3" |Both houses of legislature + joint session (or referendum)
| rowspan="3" |Sometimes
| rowspan="3" |>50% + 2/3 (or >50%)
| rowspan="3" |Yes
|-
|Government
|-
|[[Parliament of Gabon|Legislature]] (1/3 of either house)
|-
|[[Basic Law for the Federal Republic of Germany|Germany]]
|
|Both houses of legislature
|
|2/3
|Yes
|-
|[[Constitution of Greece|Greece]]
|[[Hellenic Parliament|Legislature]] (50 legislators)
|Legislature before and after an election
|
|3/5 + >50% or >50% + 3/5
|Yes
|-
| rowspan="2" |[[Constitution of Haiti|Haiti]]
|Executive
| rowspan="2" |Both houses of legislature + joint session after an election
| rowspan="2" |
| rowspan="2" |2/3 + 2/3
| rowspan="2" |Yes
|-
|[[National Assembly (Haiti)|Legislature]] (Either house)
|-
|[[Constitution of Honduras|Honduras]]
|
|Legislature
|
|2/3
|Yes
|-
| rowspan="3" |[[Hungary]] 
|[[President of Hungary|President]]
| rowspan="3" |Legislature
| rowspan="3" |
| rowspan="3" |2/3
| rowspan="3" |No
|-
|[[Government of Hungary|Government]]
|-
|[[National Assembly (Hungary)|Legislature]] (1/5)
|-
|[[Constitution of Iceland|Iceland]]
|
|Legislature before and after an election 
|Sometimes 
(referendum if on status of the Church)
|>50% (+ >50%)
|No
|-
|[[Constitution of India|India]]
|
|Both houses of legislature (+ sub-national legislatures in some cases)
|
|2/3 (+ 50%)
|No
|-
|[[Constitution of Indonesia|Indonesia]]
|[[People's Consultative Assembly|Legislature]] (1/3)
|Joint session of legislature
|
|>50%+1
|Yes
|-
|[[Constitution of Ireland|Ireland]]
|
|Both houses of legislature 
|Yes
|>50% + >50%
|No
|-
|[[Constitution of Italy|Italy]]
|
|Both houses of legislature (or both houses of legislature + referendum)
|Sometimes 
|2/3 (or >50% + >50%)
|Yes
|-
|[[Constitution of Japan|Japan]]
|[[National Diet|Legislature]] (2/3) 
|Both houses of legislature
|Yes
|2/3 + >50%
|No
|-
|[[Constitution of Jordan|Jordan]]
|
|Both houses of legislature
|
|2/3
|Yes
|-
|[[Constitution of Kazakhstan|Kazakhstan]]
|[[President of Kazakhstan|President]]
|Both houses of legislature (or referendum)
|
|3/4 + >50% representing voters in 2/3 of the [[oblast]]s, major cities and the capital.
|Yes
|-
|[[Constitution of North Korea|Korea, Democratic People's Republic of]]
|
|Legislature
|
|2/3
|No
|-
|[[Constitution of Laos|Laos]]
|
|Legislature
|
|2/3
|No
|-
|[[Libyan interim Constitutional Declaration|Libya]]
|
|Legislature
|
|2/3
|No
|-
| rowspan="2" |[[Constitution of Madagascar|Madagascar]]
|[[President of Madagascar|President]] 
| rowspan="2" |Both houses of legislature 
| rowspan="2" |Yes
| rowspan="2" |3/4 + >50%
| rowspan="2" |Yes
|-
|[[Parliament of Madagascar|Legislature]] (2/3)
|-
|[[Constitution of Malawi|Malawi]]
|
|Legislature (or referendum)
|
|2/3 (or >50%)
|No
|-
|[[Constitution of Mexico|Mexico]]
|
|Legislature + sub-national legislatures
|
|2/3 + >50%
|No
|-
|[[Constitution of Namibia|Namibia]]
|
|Both houses of legislature (or lower house + referendum)
|
|2/3 (or 2/3 + 2/3)
|Yes
|-
|[[Constitution of the Netherlands|The Netherlands]]
|[[States General of the Netherlands|Legislature]] ([[House of Representatives (Netherlands)|lower house]])
|Both houses of legislature (before and after election)
|
|50% before election, 2/3 after
|No
|-
| rowspan="4" |[[Constitution of North Macedonia|North Macedonia]]
|[[President of North Macedonia|President]]
| rowspan="4" |Legislature
| rowspan="4" |
| rowspan="4" |2/3
| rowspan="4" |No
|-
|[[Government of North Macedonia|Government]]
|-
|[[Assembly of North Macedonia|Legislature]] (30 legislators)
|-
|Electorate (150,000 citizens)
|-
|[[Constitution of Pakistan|Pakistan]]
|[[Parliament of Pakistan|Legislature]] (either house)
|Both houses of legislature
|
|2/3
|No
|-
| rowspan="2" |[[Constitution of Palau|Palau]]
|[[Palau National Congress|Legislature]] (3/4 of both houses)
| rowspan="2" |Referendum
| rowspan="2" |Yes
| rowspan="2" |>50% in 3/4 of states
| rowspan="2" |No
|-
|Electorate (25%)
|-
|[[Palestinian National Covenant|Palestine]]
|
|Legislature
|
|2/3
|No
|-
| rowspan="3" |[[Constitution of the Philippines|Philippines]]
|[[Congress of the Philippines|Legislature]] (2/3)
| rowspan="3" |Either of legislature or referendum.
| rowspan="3" |
| rowspan="3" |>50%
| rowspan="3" |No
|-
|[[Constitutional convention (Philippines)|Constitutional convention]]
|-
|Electorate (12% of voters representing at least 3% of every electoral district)
|-
| rowspan="2" |[[Constitution of Poland|Poland]]
|[[President of Poland|President]]
| rowspan="2" |Both houses of legislature 
| rowspan="2" |Sometimes (certain amendments)
| rowspan="2" |2/3 in lower house and >50% in upper house (+ >50%)
| rowspan="2" |No
|-
|[[Parliament of Poland|Legislature]] (1/5)
|-
|[[Constitution of Portugal|Portugal]]
|[[Assembly of the Republic (Portugal)|Legislature]] (Any legislator)
|Legislature
|
|2/3
|Yes
|-
| rowspan="2" |[[Constitution of Qatar|Qatar]]
|[[Emir of Qatar|Monarch]]
| rowspan="2" |Legislature
| rowspan="2" |
| rowspan="2" |2/3
| rowspan="2" |Yes
|-
|[[Consultative Assembly of Qatar|Legislature]] (1/3)
|-
| rowspan="3" |[[Constitution of Romania|Romania]]
|[[President of Romania|President]]
| rowspan="3" |Both houses of legislature (or joint session) 
| rowspan="3" |Yes
| rowspan="3" |2/3 (or 3/4) + >50%
| rowspan="3" |Yes
|-
|[[Parliament of Romania|Legislature]] (1/4 in either house)
|-
|Electorate (500,000 voters)
|-
| rowspan="4" |[[Constitution of Russia|Russia]]
|[[President of Russia|President]]
| rowspan="4" |Sub-national legislatures (or, in some cases, legislature in joint session + constitutional convention or referendum)
| rowspan="4" |
| rowspan="4" |2/3 (or 3/5 + 2/3 or >50%)
| rowspan="4" |No
|-
|[[Government of Russia|Government]]
|-
|[[Federal Assembly (Russia)|Legislature]] (1/5 in either house)
|-
|Sub-national legislatures
|-
|[[Constitution of Samoa|Samoa]]
|
|Legislature
|
|2/3
|
|-
|[[São Tomé and Príncipe|Sao Tome and Principe]]
|[[National Assembly (São Tomé and Príncipe)|Legislature]] (Any legislator)
|Legislature
|
|2/3
|Yes
|-
| rowspan="2" |[[Constitution of Senegal|Senegal]]
|[[President of Senegal|President]]
| rowspan="2" |Legislature (or referendum)
| rowspan="2" |
| rowspan="2" |3/5 (or >50%)
| rowspan="2" |Yes
|-
|[[National Assembly (Senegal)|Legislature]]
|-
| rowspan="4" |[[Constitution of Serbia|Serbia]]
|[[President of Serbia|President]]
| rowspan="4" |Legislature 
| rowspan="4" |Sometimes
| rowspan="4" |2/3 (+ >50%)
| rowspan="4" |No
|-
|[[Government of Serbia|Government]]
|-
|[[National Assembly (Serbia)|Legislature]] (1/3)
|-
|Electorate (150,000 voters)
|-
|Seychelles
|
|Legislature + referendum
|Yes
|2/3 + >60%
|No
|-
|[[Constitution of Sierra Leone|Sierra Leone]]
|
|Legislature 
|Sometimes
|2/3 + 2/3 representing >50% of electorate
|No
|-
|[[Constitution of Singapore|Singapore]]
|
|Legislature
|
|2/3
|No
|-
|[[Constitution of Slovakia|Slovakia]]
|
|Legislature
|
|3/5
|No
|-
| rowspan="3" |[[Constitution of Slovenia|Slovenia]]
|[[Government of Slovenia|Government]]
| rowspan="3" |Legislature 
| rowspan="3" |Sometimes (referendum if demanded by 30 legislators)
| rowspan="3" |2/3 (+ >50% out of >50% of electorate)
| rowspan="3" |No
|-
|[[Parliament of Slovenia|Legislature]] (20 legislators)
|-
|Electorate (20,000 voters)
|-
|[[Solomon Islands]]
|
|Legislature
|
|2/3 (3/4 in certain cases)
|No
|-
| rowspan="4" |[[Constitution of Somalia|Somalia]]
|Government
| rowspan="4" |Both houses of legislature
| rowspan="4" |
| rowspan="4" |2/3
| rowspan="4" |Yes
|-
|Government (members)
|-
|[[Federal Parliament of Somalia|Legislature]] (Any legislator)
|-
|Electorate (40,000 citizens)
|-
| rowspan="2" |[[Constitution of Spain|Spain]]
|[[Government of Spain|Government]]
| rowspan="2" |Both houses of legislature
| rowspan="2" |Sometimes 
(referendum if demanded by 10% of either house of legislature)
| rowspan="2" |3/5 (or >50% of upper house + 2/3 of lower house)
| rowspan="2" |Yes
|-
|[[Cortes Generales|Legislature]] (Any legislator)
|-
|[[Basic Laws of Sweden|Sweden]]
|
|Legislature before and after an election 
|Sometimes 
(referendum if demanded by 1/3 of legislature) 
|>50% + >50%
|No
|-
| rowspan="2" |[[Constitution of Tajikistan|Tajikistan]]
|[[President of Tajikistan|President]]
| rowspan="2" |Referendum
| rowspan="2" |Yes
| rowspan="2" |>50%
| rowspan="2" |Yes
|-
|[[Supreme Assembly (Tajikistan)|Legislature]] (2/3)
|-
| rowspan="2" |[[Constitution of Tunisia|Tunisia]]
|[[President of Tunisia|President]]
| rowspan="2" |Legislature
| rowspan="2" |Yes
| rowspan="2" |2/3 + >50%
| rowspan="2" |Yes
|-
|[[Assembly of the Representatives of the People|Legislature]] (1/3)
|-
|[[Constitution of Turkey|Turkey]]
|[[Grand National Assembly of Turkey|Legislature]] (1/3)
|Legislature
|Yes
|3/5 + >50%
|Yes
|-
|[[Constitution of Turkmenistan|Turkmenistan]]
|
|Legislature (or referendum)
|
|2/3 (or >50%)
|Yes
|-
|[[Constitution of Tuvalu|Tuvalu]]
|
|Legislature
|
|2/3
|No
|-
|[[Constitution of Uganda|Uganda]]
|
|Legislature 
|Yes
|2/3 + >50%
|No
|-
| rowspan="2" |[[Constitution of Ukraine|Ukraine]]
|[[President of Ukraine|President]]
| rowspan="2" |Legislature before an election + after an election 
| rowspan="2" |Sometimes
| rowspan="2" |>50% + 2/3 (+ >50%)
| rowspan="2" |Yes
|-
|[[Verkhovna Rada|Legislature]] (1/3)
|-
|[[Constitution of the United Arab Emirates|United Arab Emirates]]
|[[Federal Supreme Council|Legislature]]
|Legislature
|
|2/3
|No
|-
|[[Constitution of the United Kingdom|United Kingdom]]
|[[Parliament of the United Kingdom|Legislature]] (Any legislator)
|Legislature 
|No
|Majority votes in House of Commons and House of Lords (or Commons only if Parliament Act invoked) with the [[Royal assent|consent of the monarch]] (although they are constitutionally required to grant consent)
|No
|-
| rowspan="2" |[[Constitution of the United States|United States]]
|[[United States Congress|Legislature]] (2/3 of both houses)
| rowspan="2" |State legislatures or constitutional conventions
| rowspan="2" |
| rowspan="2" |3/4
| rowspan="2" |Yes
|-
|[[State legislature (United States)|Sub-national legislature]] (2/3)
|-
|[[Constitution of Uzbekistan|Uzbekistan]]
|
|Both houses of legislature in joint session (or referendum)
|
|2/3 (or >50%)
|No
|-
| rowspan="2" |[[Constitution of Vanuatu|Vanuatu]]
|[[Prime Minister of Vanuatu|Prime Minister]]
| rowspan="2" |Legislature
| rowspan="2" |
| rowspan="2" |2/3
| rowspan="2" |No
|-
|[[Parliament of Vanuatu|Legislature]] (Any legislator)
|-
| rowspan="3" |[[Constitution of Venezuela|Venezuela]]
|[[President of Venezuela|President]]
| rowspan="3" |Legislature
| rowspan="3" |Yes
| rowspan="3" |>50% + >50%
| rowspan="3" |No
|-
|[[National Assembly (Venezuela)|Legislature]] (39%)
|-
|Electorate (15% of voters)
|-
| rowspan="3" |[[Constitution of Vietnam|Vietnam]]
|[[President of Vietnam|President]]
| rowspan="3" |Legislature
| rowspan="3" |
| rowspan="3" |2/3
| rowspan="3" |No
|-
|[[National Assembly (Vietnam)|Legislature]] (Standing Committee)
|-
|[[National Assembly (Vietnam)|Legislature]] (2/3)
|-
| rowspan="2" |[[Constitution of Yemen|Yemen]]
|Prime Minister
| rowspan="2" |Legislature 
| rowspan="2" |Sometimes
| rowspan="2" |2/3 (+ >50%)
| rowspan="2" |No
|-
|Legislature (1/3 of [[House of Representatives (Yemen)|lower house]])
|-
|[[Constitution of Zambia|Zambia]]
|
|Legislature
|Yes
|2/3 + >50% of total electorate
|No
|-
|[[Constitution of Zimbabwe|Zimbabwe]]
|
|Both houses of legislature 
|Sometimes
|2/3 (+ >50%)
|No
|}