List of largest refugee crises

{{short description|None}}

The list below includes data for refugee crises with at least 1 million refugees, not including internally displaced persons (IDP). For events for which estimates vary, the geometric mean of the lowest and highest estimates is calculated to rank the events.

Rows highlighted in blue indicate ongoing events.

class="wikitable sortable"

!Event

!Refugees estimate

!Origin

!From

!Until

!Duration

!class="unsortable"|{{Abbr|Ref.|Reference(s)}}

World War II

|{{sort|60.0|60.0 million}}

|Europe

|1939

|1945

|{{sort|6|6 years}}

|{{Cite book |url=https://www.unhcr.org/3ebf9ba80.html |title=The State of The World's Refugees 2000: Fifty Years of Humanitarian Action |publisher=Oxford University Press |year=2000 |pages=13 |language=en |access-date=2022-03-09 |archive-date=2022-04-23 |archive-url=https://web.archive.org/web/20220423195513/https://www.unhcr.org/3ebf9ba80.html |url-status=live }}{{Cite book |url=https://unesdoc.unesco.org/ark:/48223/pf0000377890 |title=Reporting on Migrants and Refugees: Handbook for Journalism Educators |publisher=UNESCO |year=2021 |isbn=978-92-3-100456-8 |location=France |pages=21 |language=en |access-date=2022-03-09 |archive-date=2022-06-07 |archive-url=https://web.archive.org/web/20220607144951/https://unesdoc.unesco.org/ark:/48223/pf0000377890 |url-status=live }}{{Cite book |last=Orchard |first=Phil |title=A Right to Flee: Refugees, States, and the Construction of International Cooperation |publisher=Cambridge University Press |year=2014 |isbn=9781139923293 |location=United Kingdom |pages=3 |language=en}}{{Cite book |last1=Frank |first1=Matthew |url=https://www.bloomsburycollections.com/book/refugees-in-europe-1919-1959-a-forty-years-crisis/ |title=Refugees in Europe, 1919–1959: A Forty Years' Crisis? |last2=Reinisch |first2=Jessica |publisher=Bloomsbury Academic |year=2017 |isbn=978-1-4742-9573-4 |pages=147, 153 |language=en |access-date=2022-03-09 |archive-date=2022-05-03 |archive-url=https://web.archive.org/web/20220503121336/https://www.bloomsburycollections.com/book/refugees-in-europe-1919-1959-a-forty-years-crisis/ |url-status=live }}{{Cite magazine |last1=Rothman |first1=Lily |last2=Ronk |first2=Liz |date=2015-09-11 |title=This Is What Europe's Last Major Refugee Crisis Looked Like |url=https://time.com/4029800/world-war-ii-refugee-photos-migrant-crisis/ |access-date=2022-03-09 |magazine=Time |language=en}}{{Cite web |last=Gatrell |first=Peter |date=2017 |title=The Question of Refugees: Past and Present |url=https://origins.osu.edu/article/question-refugees-past-and-present?language_content_entity=en |access-date=2022-03-09 |website=Origins |language=en |archive-date=2023-01-11 |archive-url=https://web.archive.org/web/20230111192650/https://origins.osu.edu/article/question-refugees-past-and-present?language_content_entity=en |url-status=live }}

Partition of India

|{{sort|14.1|20.0 million}}

| Indian subcontinent

|1947

|1948

|{{sort|1|1 year}}

|{{Cite web|url=https://www.unhcr.org/3ebf9bab0.pdf|title=The State of The World's Refugees 2000|date=2000|website=UNHCR|access-date=2018-11-21|archive-date=2020-01-08|archive-url=https://web.archive.org/web/20200108092313/https://www.unhcr.org/3ebf9bab0.pdf|url-status=live}}{{Cite book|chapter=India–Pakistan Partition 1947 and forced migration|doi=10.1002/9781444351071.wbeghm285|year=2013|author=Vazira Fazila-Yacoobali Zamindar|title=The Encyclopedia of Global Human Migration|isbn=9781444334890|chapter-url=https://onlinelibrary.wiley.com/doi/abs/10.1002/9781444351071.wbeghm285|access-date=2022-03-05|archive-date=2021-01-22|archive-url=https://web.archive.org/web/20210122014723/https://onlinelibrary.wiley.com/doi/abs/10.1002/9781444351071.wbeghm285|url-status=live}}

World War I

|{{sort|10.2|15.0 million}}

|Europe

|1914

|1918

|4 years

|{{Cite book |last1=Gatrell |first1=Peter |title=Europe on the Move: Refugees in the Era of the Great War |last2=Zhvanko |first2=Liubov |publisher=Manchester University Press |year=2017 |isbn=9781784994419 |location=United Kingdom |pages=3 |language=en}}{{Cite journal |last=Gatrell |first=Peter |date=2008 |title=Refugees and Forced Migrants during the First World War |url=https://www.tandfonline.com/doi/abs/10.1080/02619280802442613 |journal=Immigrants & Minorities |volume=26 |issue=1–2 |pages=82–110 |doi=10.1080/02619280802442613 |s2cid=143755412 |via=Taylor & Francis Online |access-date=2022-03-10 |archive-date=2022-06-23 |archive-url=https://web.archive.org/web/20220623114206/https://www.tandfonline.com/doi/abs/10.1080/02619280802442613 |url-status=live |url-access=subscription }}{{Cite web |last=Chase |first=Gummer |date=2014 |title=World War I Centenary: Migration in Europe |url=https://graphics.wsj.com/100-legacies-from-world-war-1/migration-in-Europe |access-date=2022-03-10 |website=The Wall Street Journal |language=en |archive-date=2021-12-27 |archive-url=https://web.archive.org/web/20211227214326/https://graphics.wsj.com/100-legacies-from-world-war-1/migration-in-Europe |url-status=live }}

style="background-color: #87CEEB" |

|{{sort|Russian Invasion of Ukraine|Russian invasion of Ukraine}}

|{{sort|9.2|9.2 million}}Includes 8.2 million Ukrainian refugees recorded in Europe (including countries partially in Europe); 0.2 million people fleeing Russia after the invasion but before the announcement of mobilization; 0.8 million people fleeing Russia after the beginning of Russian mobilization in September 2022. See also Russian emigration during the Russian invasion of Ukraine.

|Europe

|2022

|Present

|{{sort|{{#expr:{{Age in months|2022-02-24}}/12}}|{{Age in years and months|2022-02-24}}}}

|{{cite web|title=Individual refugees from Ukraine recorded across Europe|work=UNHCR|url=https://data.unhcr.org/en/situations/ukraine|date=2023-04-18|access-date=2023-04-21|archive-date=2022-06-27|archive-url=https://web.archive.org/web/20220627032436/https://data.unhcr.org/en/situations/ukraine|url-status=live}}{{cite web|title=Forbes: about 700,000 people leave Russia since mobilisation started|url=https://novayagazeta.eu/articles/2022/10/04/forbes-about-700000-people-leave-russia-since-mobilisation-started-news|work=Novaya Gazeta|date=2022-10-04|access-date=2022-10-08|archive-date=2022-10-08|archive-url=https://web.archive.org/web/20221008224127/https://novayagazeta.eu/articles/2022/10/04/forbes-about-700000-people-leave-russia-since-mobilisation-started-news|url-status=live}}{{cite news|title=Hundreds of thousands flee Russia and Putin's 'two wars'|work=Al Jazeera|url=https://www.aljazeera.com/news/2022/4/18/why-white-collar-russians-flee-two|date=18 April 2022|access-date=2022-10-08|archive-date=2022-10-04|archive-url=https://web.archive.org/web/20221004161023/https://www.aljazeera.com/news/2022/4/18/why-white-collar-russians-flee-two|url-status=live}}{{cite web|title=Blinken: Russia's war against Ukraine a 'strategic failure'|url=https://share.america.gov/blinken-russia-war-in-ukraine-strategic-failure/|date=2023-06-05|access-date=2024-02-01}}

Bangladeshi Liberation War

|{{sort|9.0|9.0 million}}

|Indian subcontinent

|1971

|1971

|{{sort|0.71|8 months}}

|{{Cite book|url=https://books.google.com/books?id=rgGA91skoP4C&pg=PA34|title=Dictionary of Genocide: A-L|last1=Totten|first1=Samuel|last2=Bartrop|first2=Paul Robert|date=2008|publisher=ABC-CLIO|isbn=9780313346422|pages=34|language=en|access-date=2020-11-15|archive-date=2023-01-11|archive-url=https://web.archive.org/web/20230111192649/https://books.google.com/books?id=rgGA91skoP4C&pg=PA34|url-status=live}}

style="background-color: #87CEEB" |

|Crisis in Venezuela

|{{sort|8.9|8.9 million}}

|Venezuela

|2014

|Present

|{{sort|11|11 years}}

|{{cite web |last1=Osorio |first1=Sonia |title=Casi 9 millones de venezolanos emigraron, pero mantienen fuerte vínculo con su país y la democracia|url=https://www.elnuevoherald.com/noticias/florida/sur-de-la-florida/article288478663.html/ |website=El Nuevo Herald |access-date=14 May 2024 |language=es |date=13 May 2023}}

style="background-color: #87CEEB" |

|Syrian Civil War

|{{sort|6.7|6.7 million}}

|Syria

|2011

|Present

|{{sort|14|14 years}}

|{{Cite news|url=https://www.unhcr.org/refugee-statistics/|title=Refugee Data Finder |website=UNHCR|date=November 10, 2021|access-date=March 13, 2022|archive-url=https://web.archive.org/web/20220119025120/https://www.unhcr.org/refugee-statistics/|archive-date=January 19, 2022}}

Soviet–Afghan War

|{{sort|6.2|6.2 million}}

|Afghanistan

|1978

|1989

|{{sort|11|11 years}}

|{{cite web|title=Refugees Magazine Issue 108 (Afghanistan : the unending crisis) - The biggest caseload in the world|author=Rupert Colville|url=https://www.unhcr.org/publications/refugeemag/3b680fbfc/refugees-magazine-issue-108-afghanistan-unending-crisis-biggest-caseload.html|year=1997|work=UNHCR|access-date=2022-03-05|archive-date=2022-05-18|archive-url=https://web.archive.org/web/20220518203300/https://www.unhcr.org/publications/refugeemag/3b680fbfc/refugees-magazine-issue-108-afghanistan-unending-crisis-biggest-caseload.html|url-status=live}}

style="background-color: #87CEEB" |

|Yemeni Civil War

|{{sort|4.5|4.5 million}}

|Yemen

|2015

|Present

|{{sort|10|10 years}}

|{{cite web|title=Humanitarian Crisis in Yemen|url=https://www.unrefugees.org/emergencies/yemen/|website=unrefugees.org|accessdate=8 January 2024}}

style="background-color: #87CEEB" |

|Sudanese civil war (2023–)

|{{sort|3.5|3.5 million}}

|Sudan

|2023

|Present

|{{sort|{{#expr:{{Age in months|2023-04-15}}/12}}|{{Age in years and months|2023-04-15}}}}

|{{cite web |url=https://reliefweb.int/report/sudan/iom-sudan-displacement-tracking-matrix-dtm-sudan-mobility-update-15-publication-date-5-february-2025 |title=IOM Sudan Displacement Tracking Matrix (DTM) Sudan Mobility Update (15) |date=5 February 2025 |website=reliefweb |access-date=24 March 2025}}

Vietnam War

|{{sort|3.0|3.0 million}}

|Mainland Southeast Asia

|1975

|2000

|{{sort|25|25 years}}

|[https://www.unhcr.org/en-us/publications/sowr/4a4c754a9/state-worlds-refugees-2000-fifty-years-humanitarian-action.html State of the World's Refugees, 2000] {{Webarchive|url=https://web.archive.org/web/20220409182644/https://www.unhcr.org/en-us/publications/sowr/4a4c754a9/state-worlds-refugees-2000-fifty-years-humanitarian-action.html |date=2022-04-09 }} United Nations High Commissioner for Refugees

War in Afghanistan

|{{sort|2.6|2.6–2.7 million}}

|Afghanistan

|2001

|2021

|20 years

|{{cite web|url=https://www.unhcr.org/afghanistan.html|title=Afghanistan|last=Refugees|first=United Nations High Commissioner for|website=UNHCR|access-date=21 April 2023|archive-url=https://web.archive.org/web/20190730080411/https://www.unhcr.org/afghanistan.html|archive-date=30 July 2019|url-status=live}}{{cite web|title=In numbers: Life in Afghanistan after America leaves|url=https://www.bbc.co.uk/news/world-asia-57767067|access-date=21 April 2023|website=BBC News|date=13 July 2021|archive-date=23 August 2021|archive-url=https://web.archive.org/web/20210823133602/https://www.bbc.co.uk/news/world-asia-57767067|url-status=live}}

Yugoslav Wars

|{{sort|2.4|2.4 million}}

|Yugoslavia

|1991

|2001

|{{sort|10|10 years}}

| < |{{Cite book|title=The Balkans|last=Watkins|first=Clem S.|publisher=Nova Publishers.|year=2003|location=New York City|pages=10|isbn=9781590335253}}

Korean War

|{{sort|2.23|1.0–5.0 million}}

|Korea

|1950

|1953

|{{sort|3|3 years}}

|{{Cite web|url=https://www.msn.com/en-gb/news/photos/the-biggest-refugee-movements-in-history/ss-BBDqNM0?fullscreen=true|title=The biggest refugee movements in history|website=MSN|language=en-GB|access-date=2018-11-21|archive-url=https://web.archive.org/web/20181121203941/https://www.msn.com/en-gb/news/photos/the-biggest-refugee-movements-in-history/ss-BBDqNM0?fullscreen=true|archive-date=November 21, 2018}}{{Cite web|url=https://www.cia.gov/library/readingroom/docs/CIA-RDP79T00935A000300030001-8.pdf|archive-url=https://web.archive.org/web/20170120195908/https://www.cia.gov/library/readingroom/docs/CIA-RDP79T00935A000300030001-8.pdf|url-status=dead|archive-date=January 20, 2017|title=Population and Manpower of Korea 1954|date=13 September 1954|website=Central Intelligence Agency}}

Iraq War

|{{sort|2.2|2.2 million}}

|Iraq

|2003

|2011

|{{sort|8|8 years}}

|{{Cite news|title=UN agencies launch $85-million appeal to aid 2.2 million Iraqi refugees|url=https://news.un.org/en/story/2007/09/231632-un-agencies-launch-85-million-appeal-aid-22-million-iraqi-refugees|work=UN News|date=September 18, 2007|access-date=March 6, 2022|archive-date=June 21, 2022|archive-url=https://web.archive.org/web/20220621184312/https://news.un.org/en/story/2007/09/231632-un-agencies-launch-85-million-appeal-aid-22-million-iraqi-refugees|url-status=live}}

Rwandan Genocide

|{{sort|2.1|2.1 million}}

|Rwanda

|1994

|1996

|{{sort|2|2 years}}

|Prunier 2009, pp. 24–25

Iraqi Uprisings

|{{sort|1.8|1.8 million}}

|Iraq

|1991

|1991

|{{sort|0.67|8 months}}

|

Wars in the Caucasus

|{{sort|1.75|1.5–2 million}}

|Caucasus

|1988

|1996

|{{sort|8|8 years}}

|{{Cite web |date=1 May 1996 |title=UNHCR publication for CIS Conference (Displacement in the CIS) - Conflicts in the Caucasus |url=https://www.unhcr.org/publications/unhcr-publication-cis-conference-displacement-cis-conflicts-caucasus |access-date=3 February 2025 |website=United Nations High Commissioner for Refugees}}{{Cite web |last=Cohen |first=Roberta |date=10 June 2003 |title=Testimony of Roberta Cohen, Co-Director, The Brookings-SAIS Project on Internal Displacement, at the public hearing on "Internally Displaced Persons in the Caucasus Region and Southeastern Anatolia" |url=https://www.brookings.edu/wp-content/uploads/2016/06/RCTestimonyJune03-1.pdf |access-date=3 February 2025 |website=Commission on Security and Cooperation in Europe |publisher=Brookings Institution |pages=1}}

Mozambican Civil War

|{{sort|1.7|1.7 million}}

|Mozambique

|1977

|1992

|{{sort|15|15 years}}

|

style="background-color: #87CEEB" |

|Arab-Israeli Conflict

|{{sort|1.6|1.6 million (700,000 Palestinians est.
900,000 Jews est.)}}

|Palestine (region)

|1947

|Present

|{{sort|77|77 years}}

|{{Cite news |date=September 4, 2020 |title=UN agency for Palestinian refugees launches $95 million appeal to keep COVID at bay |work=UN News |url=https://news.un.org/en/story/2020/09/1071702 |access-date=March 6, 2022 |archive-date=September 25, 2020 |archive-url=https://web.archive.org/web/20200925092328/https://news.un.org/en/story/2020/09/1071702/ |url-status=live }}

South Sudanese Civil War

|{{sort|1.5|1.5 million}}

|South Sudan

|2011

|2020

|{{sort|9|9 years}}

|{{Cite web|url=https://www.un.org/press/en/2017/db170210.doc.htm|title=Daily Press Briefing by the Office of the Spokesperson for the Secretary-General|date=2017-02-10|publisher=United Nations|access-date=2018-11-21|archive-date=2022-06-20|archive-url=https://web.archive.org/web/20220620173614/https://www.un.org/press/en/2017/db170210.doc.htm|url-status=live}}

style="background-color: #87CEEB" |

|Rohingya Genocide

|{{sort|1.3|1.3 million}}

|Myanmar

|2016

|Present

|{{sort|9|9 years}}

|{{Cite news|url=https://reliefweb.int/report/bangladesh/who-appeals-international-community-support-warns-grave-health-risks-rohingya|title=WHO appeals for international community support; warns of grave health risks to Rohingya refugees in rainy season - Bangladesh|work=ReliefWeb|access-date=2018-11-21|language=en|archive-date=2023-03-07|archive-url=https://web.archive.org/web/20230307064219/https://reliefweb.int/report/bangladesh/who-appeals-international-community-support-warns-grave-health-risks-rohingya|url-status=live}}

Algerian War

|{{sort|1.0|1.0 million}}

|Algeria

|1954

|1962

|{{sort|8|8 years}}

|

Irish Great Famine

|{{sort|1.0|1.0 million}}

|Ireland

|1845

|1849

|{{sort|4|4 years}}

|{{Cite web |url=https://www.mapspictures.com/ireland/history/ireland_population.php |title=Irelands' Population in the mid 1800s |access-date=2019-06-13 |archive-date=2022-06-21 |archive-url=https://web.archive.org/web/20220621180002/https://www.mapspictures.com/ireland/history/ireland_population.php |url-status=live }}

First Libyan Civil War

|{{sort|1.0|1.0 million}}

|Libya

|2011

|2011

|{{sort|0.67|8 months}}

|{{cite web|url=http://www.unhcr.org/pages/49e485f36.html|title=2013 UNHCR country operations profile - Libya|date=2013|publisher=UNCHR|access-date=12 November 2013|archive-date=21 March 2021|archive-url=https://web.archive.org/web/20210321193723/https://www.unhcr.org/pages/49e485f36.html|url-status=live}}

style="background-color: #87CEEB" |

|Somali Civil War

|{{sort|1.0|1.0 million}}

|Somalia

|1991

|Present

|{{sort|34|34 years}}

|{{cite web|url=http://data.unhcr.org/horn-of-africa/regional.php|title=Registered Somali Refugee Population|publisher=UNHCR|access-date=3 July 2016|archive-date=28 June 2017|archive-url=https://web.archive.org/web/20170628165215/http://data.unhcr.org/horn-of-africa/regional.php|url-status=dead}}

Notes

{{Reflist|group=note}}

See also

References