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| Part of thePolitics series |
| Direct democracy |
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Referendums by issue |
Referendums by method |
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Anindependence referendum is a type ofreferendum in which the residents of aterritory decide whether the territory should become anindependentsovereign state. An independence referendum that results in a vote for independence does not always ultimately result in independence.
An independence referendum typically arises first after political success fornationalists of a territory. This could come in the election of politicians or parties withseparatist policies, or from pressure fromnationalist organisations.
Negotiations for the terms of an independence referendum may take place between the nationalists and the government which exercises sovereignty over the territory. If terms can be agreed, then the independence referendum can be held with its result binding, and respected by theinternational community. Independence referendums can be held without the consent of a national or the federal governments, then the international community will rely on several other factors, e.g. were the local people oppressed by the central government or not, to decide if the result can be recognized or not.

Various issues can be discussed in negotiations, such as the date and timing of the poll, as well as voter eligibility. For these instances, common electoral practice is often widely used, although there can be deviations, as seen with the lowering of thevoting age for the2014 Scottish independence referendum.
Other issues to be negotiated include what question or questions should be on the ballot, and what the voting options could be. Independence referendums can offer options of greaterautonomy as well as, or instead of, the status quo. They can also put forward otherconstitutional questions to ballot. The questions that referendums ask may be revised if parties involved in negotiations consider them to be tooleading.
Negotiations notably need to address what would make a result binding. For some independence referendums, a simple majority is required for one option. In other cases, a quota can be used, where a certain percentage of the vote or the electorate needs to be in favour of an option for it to be binding.
Successful negotiations can be hard to achieve for nationalists, as governments can be reluctant to give up sovereignty. For example, nationalists planned to hold a referendum inCatalonia in 2014, but met opposition from theSpanish government. As a result, thereferendum that went ahead was unofficial and non-binding.
In the event of a vote for independence, there may be negotiations on the terms ofsecession for the territory from the sovereign state. Adeclaration of independence for a new state is then made, and international recognition can follow, as well as membership of international organisations such as theUnited Nations. In cases involving non-binding referendums, this can lead to aunilateral declaration of independence, and thereforepartially recognised orself-proclaimed states, like theDonbas status referendums.
In the event of a vote against independence, there may still be a strong nationalist movement and calls for there to be a rerun of the independence referendum. For example, after two referendums inQuebec, theParti Québécois has continued to raise the prospect of holding another referendum,[1] and theScottish National Party has said that there should be a repeat of the 2014 referendum now that theUnited Kingdom has left theEuropean Union.
| Proposed state | Year | Proposed independence from | Majority for independence | Independence | Recognition of result | Notes |
|---|---|---|---|---|---|---|
| 1817 | Yes | Yes | No | Unilaterallydeclared independence. | ||
| 1846 | American Colonization Society | Yes | Yes | Yes | ||
| 1853 | Maryland State Colonization Society | Yes | Yes | Yes | ||
| 1905 | Yes | Yes | Yes | |||
| 1918 | Yes | Yes | Yes | |||
| 1933 | Yes | No | No | |||
| 1945 | Yes | Yes | Yes | |||
| 1945 | Yes | Yes | Yes | Initially recognized by theRepublic of China, but recognition was abolished in 1953; recognized by thePeople's Republic of China. | ||
| 1946 | Yes | No | No | Independence declaration annulled by Denmark. | ||
| 1948 | No | No | Yes | Integrated with Canada. | ||
| 1951 | Yes | No | No | Unrecognized by the government of India.[2] | ||
| 1955 | No | No | Yes | Integrated withWest Germany. | ||
| 1958 | No | No | Yes | Referendum on a newFrench constitution. A no vote would have led to independence. | ||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | Yes | Yes | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1958 | No | No | Yes | |||
| 1961 | Yes | Yes | Yes | |||
| 1962 | Yes | Yes | Yes | |||
| 1964 | Yes | Yes | Yes | |||
| 1964 | Yes | De facto | No | Unilaterallydeclared independence. | ||
| 1967 | No | No | Yes | |||
| 1967 | No | No | Yes | |||
| 1969 | No | No | Yes | |||
| 1969 | No | No | Yes | |||
| 1970 | Yes | Yes | Yes | |||
| 1974 | Majority for associated status | Associated status achieved | Yes | Became anassociated state of New Zealand. | ||
| 1974 | Yes | Yes | Yes | Mayotte remained with France. | ||
| 1975 | No | No | Yes | |||
| 1976 | No | No | Yes | |||
| 1977 | Yes | No | Yes | Independence plans dropped in 1994. | ||
| 1977 | Yes | Yes | Yes | |||
| 1977 | Yes | No | No | Unofficial referendum to become independent fromSaint Christopher-Nevis-Anguilla and attainCrown colony status within theBritish Empire. Unrecognized by the central government. | ||
| 1980 | No | No | Yes | |||
| 1980 | Yes | De facto | Partial | Recognized by South Africa; not by the international community. | ||
| 1982 | No | No | Yes | |||
| 1983 | Yes | Yes | Yes | Became an associated state of the United States. | ||
| 1983 | No | No | Yes | |||
| 1983 | No | No | Yes | Became an associated state of the United States. | ||
| 1984 | No | No | Yes | |||
| 1984 | No | No | Yes | |||
| 1986 | No | No | Yes | |||
| 1987 | No | No | Yes | |||
| 1990 | Yes | Yes | Yes | Unilaterally declared independence. | ||
| 1991 | Yes | Yes | Yes | |||
| 1991 | Yes | Yes | Yes | |||
| 1991 | Yes | Yes | Yes | Unilaterally declared independence. | ||
| 1991 | Yes | Yes | Yes | |||
| 1991 | Yes | Yes | Yes | |||
| 1991 | Yes | No | No | Only recognized byAlbania. | ||
| 1991 | Yes | Yes | Yes | |||
| 1991 | Yes | Yes | Yes | |||
| 1991 | Yes | Yes | Yes | |||
| 1991 | Yes | De facto | No | Unilaterally declared independence, reintegrated into theRepublic of Azerbaijan in 2024 after the2023 Azerbaijani offensive in Nagorno-Karabakh. | ||
| 1991 | Yes | Yes | Yes | |||
| 1991 | Yes | De facto | No | Unilaterally declared independence. | ||
| 1991 | Yes | De facto[3] | No | Unilaterally separated from Moldova; reintegrated into the country in 1995. | ||
| 1991 | Yes | Yes | Yes | |||
| 1991 | Yes | Yes | Yes | |||
| 1992 | Yes | Yes | Yes | Unilaterally declared independence. | ||
| 1992 | No | No | Yes | Montenegro split fromSerbia and Montenegro in 2006. | ||
| 1992 | Yes | De facto | No | Unilaterally declared independence. | ||
| 1993 | Yes | Yes | Yes | |||
| 1993 | No | No | Yes | |||
| 1993 | No | No | Yes | |||
| 1993 | No | No | Yes | |||
| 1994 | No | No | Yes | |||
| 1994 | No | No | Yes | |||
| 1994 | No | No | Yes | |||
| 1994 | No | No | Yes | |||
| 1995 | No | No | Yes | |||
| 1995 | No | No | Yes | |||
| 1995[4] | Yes | No | No | Regarded as amicronation. | ||
| 1997 | Yes | De facto | No | Reintegrated with the Comoros in 2001. | ||
| 1998 | Yes | No | Yes | 2/3 majority was required for independence. | ||
| 1998 | No | No | Yes | |||
| 1999 | Yes | Yes | Yes | |||
| 2000 | No | No | Yes | |||
| 2001 | Yes | De facto | No | |||
| 2004 | No | No | Yes | |||
| 2004 | No | No | Yes | |||
| 2005 | Yes | No | No | |||
| 2005 | No | No | Yes | |||
| 2005 | No | No | Yes | |||
| 2006 | Yes | Yes | Yes | |||
| 2006 | Yes | De facto | No | |||
| 2006 | Yes | De facto | No | |||
| 2006 | Majority for associated status but Quorum not reached | Associated status not achieved | Yes | The referendum was on whether Tokelau should become an associated state of New Zealand. 2/3 majority was required. | ||
| 2007 | Majority for associated status but Quorum not reached | Associated status not achieved | Yes | |||
| 2009–2010 | Yes | No | No | Unofficial referendum. Unrecognized by the government of Sri Lanka. | ||
| 2011 | Yes[5] | Yes | Yes | |||
| 2012 | No | No | Yes | |||
| 2014 | Yes[6] | De facto[7] | No | Unilaterally declared independence. | ||
| 2014 | Yes[6] | De facto[7] | No | Unilaterally declared independence. | ||
| 2014 | Yes | No | No | Unofficial referendum. Unrecognized by the government of Italy. | ||
| 2014 | No | No | Yes | |||
| 2014 | Yes | No | No | |||
| 2014 | No | No | Yes | |||
| 2016 | Yes | No | No | Unofficial referendum. Unrecognized by the government of Brazil. | ||
| 2017 | No | No | Yes | |||
| 2017 | Yes | No[8] | No | The referendum also took place in thedisputed territories of Northern Iraq. | ||
| 2017 | Yes | No[9] | No | Unilaterallydeclared independence. Declaration annulled by the government of Spain.[10] | ||
| 2017 | Yes | No | No | Unofficial referendum. Unrecognized by the government of Brazil. | ||
| 2018 | No | No | Yes | |||
| 2019 | Yes | Subject to negotiation[11] | Yes | Nonbinding vote.[12] Independence rests with Papua New Guinea's parliament.[13] | ||
| 2020 | No | No[14] | Yes | |||
| 2021 | No | No | Yes | Boycotted by pro-independence parties.[15] | ||
| 2024 | No | No | Yes |
In 1995, Giorgio held a referendum, with Seborgans opting for independence 304-4.