100+ datasets found

  1. Irregular migration summary: previous data tables

    • gov.uk
    Updated Aug 21, 2025
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    Home Office (2025). Irregular migration summary: previous data tables [Dataset]. https://www.gov.uk/government/statistical-data-sets/irregular-migration-detailed-dataset-and-summary-tables
    Explore at:
    Dataset updated
    Aug 21, 2025
    Dataset provided by
    GOV.UKhttp://gov.uk/
    Authors
    Home Office
    Description

    The latest Irregular migration statistics are now incorporated into the Immigration system statistics.

    Return to Immigration system statistics quarterly release collection page.

    Previous summary tables

    https://assets.publishing.service.gov.uk/media/68a5cb7a2a1dfc29763d515f/irregular-migration-to-the-uk-summary-mar-2025.xlsx">Irregular migration to the UK summary tables, year ending March 2025 (MS Excel Spreadsheet, 47.8 KB)

    https://assets.publishing.service.gov.uk/media/681c6215155568d3da1d2a0c/irregular-migration-to-the-uk-summary-dec-2024.ods">Irregular migration to the UK summary tables, year ending December 2024 (ODS, 33 KB)

    https://assets.publishing.service.gov.uk/media/67bf172fa0f0c95a498d1fb0/irregular-migration-to-the-UK-summary-tables-year-ending-sep-2024.ods">Irregular migration to the UK summary tables, year ending September 2024 (ODS, 31.7 KB)

    https://assets.publishing.service.gov.uk/media/66c47cdfb75776507ecdf45c/irregular-migration-to-the-UK-summary-tables-year-ending-jun-2024.ods">Irregular migration to the UK summary tables, year ending June 2024 (ODS, 30.9 KB)

    https://assets.publishing.service.gov.uk/media/6645e961bd01f5ed32793d0a/irregular-migration-to-the-UK-summary-tables-year-ending-mar-2024.ods">Irregular migration to the UK summary tables, year ending March 2024 (ODS, 26.7 KB)

    https://assets.publishing.service.gov.uk/media/65d640c92ab2b300117596b2/irregular-migration-to-the-UK-summary-tables-year-ending-dec-2023.ods">Irregular migration to the UK summary tables, year ending December 2023 (ODS, 25.9 KB)

    https://assets.publishing.service.gov.uk/media/65575cab046ed400148b9ad2/irregular-migration-to-the-UK-summary-tables-year-ending-september-2023.ods">Irregular migration to the UK data tables, year ending September 2023 (ODS, 24.2 KB)

    https://assets.publishing.service.gov.uk/media/64e46cd63309b700121c9c07/irregular-migration-to-the-UK-summary-tables-year-ending-june-2023.ods">Irregular migration to the UK data tables, year ending June 2023 (ODS, 27.6 KB)

    https://assets.publishing.service.gov.uk/media/64edc92ada8451000d632328/irregular-migration-to-the-UK-summary-tables-year-ending-march-2023.ods">Irregular migration to the UK data tables, year ending March 2023 (ODS, 29.8 KB)

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  2. Unauthorized immigrant population U.S. 1990-2022

    • statista.com
    Updated Oct 14, 2025
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    Veera Korhonen (2025). Unauthorized immigrant population U.S. 1990-2022 [Dataset]. https://www.statista.com/topics/3454/illegal-immigration-in-the-united-states/
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    Dataset updated
    Oct 14, 2025
    Dataset provided by
    Statistahttp://statista.com/
    Authors
    Veera Korhonen
    Area covered
    United States
    Description

    In 2022, an estimated 10.99 million unauthorized immigrants were living in the United States. This is an increase from about 3.5 million unauthorized immigrants who lived in the United States in 1990.

  3. U.S. immigration - illegal aliens apprehended 1990-2022

    • statista.com
    Updated Oct 14, 2025
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    Veera Korhonen (2025). U.S. immigration - illegal aliens apprehended 1990-2022 [Dataset]. https://www.statista.com/topics/3454/illegal-immigration-in-the-united-states/
    Explore at:
    Dataset updated
    Oct 14, 2025
    Dataset provided by
    Statistahttp://statista.com/
    Authors
    Veera Korhonen
    Area covered
    United States
    Description

    In 2022, about 2.58 million illegal aliens were apprehended in the United States. This was a significant increase from the previous year, when there were around 1.87 million illegal aliens apprehended nationwide. Apprehensions refer to Border Patrol apprehensions and ICE administrative arrests.

  4. Immigration system statistics data tables

    • gov.uk
    Updated Aug 21, 2025
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    Home Office (2025). Immigration system statistics data tables [Dataset]. https://www.gov.uk/government/statistical-data-sets/immigration-system-statistics-data-tables
    Explore at:
    Dataset updated
    Aug 21, 2025
    Dataset provided by
    GOV.UKhttp://gov.uk/
    Authors
    Home Office
    Description

    List of the data tables as part of the Immigration system statistics Home Office release. Summary and detailed data tables covering the immigration system, including out-of-country and in-country visas, asylum, detention, and returns.

    If you have any feedback, please email MigrationStatsEnquiries@homeoffice.gov.uk.

    Accessible file formats

    The Microsoft Excel .xlsx files may not be suitable for users of assistive technology.
    If you use assistive technology (such as a screen reader) and need a version of these documents in a more accessible format, please email MigrationStatsEnquiries@homeoffice.gov.uk
    Please tell us what format you need. It will help us if you say what assistive technology you use.

    Related content

    Immigration system statistics, year ending June 2025
    Immigration system statistics quarterly release
    Immigration system statistics user guide
    Publishing detailed data tables in migration statistics
    Policy and legislative changes affecting migration to the UK: timeline
    Immigration statistics data archives

    Passenger arrivals

    https://assets.publishing.service.gov.uk/media/689efececc5ef8b4c5fc448c/passenger-arrivals-summary-jun-2025-tables.ods">Passenger arrivals summary tables, year ending June 2025 (ODS, 31.3 KB)

    ‘Passengers refused entry at the border summary tables’ and ‘Passengers refused entry at the border detailed datasets’ have been discontinued. The latest published versions of these tables are from February 2025 and are available in the ‘Passenger refusals – release discontinued’ section. A similar data series, ‘Refused entry at port and subsequently departed’, is available within the Returns detailed and summary tables.

    Electronic travel authorisation

    https://assets.publishing.service.gov.uk/media/689efd8307f2cc15c93572d8/electronic-travel-authorisation-datasets-jun-2025.xlsx">Electronic travel authorisation detailed datasets, year ending June 2025 (MS Excel Spreadsheet, 57.1 KB)
    ETA_D01: Applications for electronic travel authorisations, by nationality ETA_D02: Outcomes of applications for electronic travel authorisations, by nationality

    Entry clearance visas granted outside the UK

    https://assets.publishing.service.gov.uk/media/68b08043b430435c669c17a2/visas-summary-jun-2025-tables.ods">Entry clearance visas summary tables, year ending June 2025 (ODS, 56.1 KB)

    https://assets.publishing.service.gov.uk/media/689efda51fedc616bb133a38/entry-clearance-visa-outcomes-datasets-jun-2025.xlsx">Entry clearance visa applications and outcomes detailed datasets, year ending June 2025 (MS Excel Spreadsheet, 29.6 MB)
    Vis_D01: Entry clearance visa applications, by nationality and visa type
    Vis_D02: Outcomes of entry clearance visa applications, by nationality, visa type, and outcome

    Additional data relating to in country and overseas Visa applications can be fo

  5. Estimated number of illegal immigrants in the U.S. by age and sex 2022

    • statista.com
    Updated Oct 14, 2025
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    Veera Korhonen (2025). Estimated number of illegal immigrants in the U.S. by age and sex 2022 [Dataset]. https://www.statista.com/topics/3454/illegal-immigration-in-the-united-states/
    Explore at:
    Dataset updated
    Oct 14, 2025
    Dataset provided by
    Statistahttp://statista.com/
    Authors
    Veera Korhonen
    Area covered
    United States
    Description

    In January 2022, it was estimated that about 1.85 million male illegal immigrants living in the United States were aged between 35 and 44 years old. In that same year, it was estimated that 1.52 million female illegal immigrants living in the U.S. were between 35 and 44 years old.

  6. Regional and local authority data on immigration groups

    • gov.uk
    Updated Aug 21, 2025
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    Home Office (2025). Regional and local authority data on immigration groups [Dataset]. https://www.gov.uk/government/statistical-data-sets/immigration-system-statistics-regional-and-local-authority-data
    Explore at:
    Dataset updated
    Aug 21, 2025
    Dataset provided by
    GOV.UKhttp://gov.uk/
    Authors
    Home Office
    Description

    Immigration system statistics quarterly release.

    Accessible file formats

    The Microsoft Excel .xlsx files may not be suitable for users of assistive technology.
    If you use assistive technology (such as a screen reader) and need a version of these documents in a more accessible format, please email migrationstatsenquiries@homeoffice.gov.uk
    Please tell us what format you need. It will help us if you say what assistive technology you use.

    Latest table

    https://assets.publishing.service.gov.uk/media/68a6ecc6bceafd8d0d96a086/regional-and-local-authority-dataset-jun-2025.ods">Regional and local authority data on immigration groups, year ending June 2025 (ODS, 264 KB)
    Reg_01: Immigration groups, by Region and Devolved Administration
    Reg_02: Immigration groups, by Local Authority

    Please note that the totals across all pathways and per capita percentages for City of London and Isles of Scilly do not include Homes for Ukraine arrivals due to suppression, in line with published Homes for Ukraine figures.

    Previous tables

    https://assets.publishing.service.gov.uk/media/6825e438a60aeba5ab34e046/regional-and-local-authority-dataset-mar-2025.xlsx">Regional and local authority data on immigration groups, year ending March 2025 (MS Excel Spreadsheet, 279 KB)

    https://assets.publishing.service.gov.uk/media/67bc89984ad141d90835347b/regional-and-local-authority-dataset-dec-2024.ods">Regional and local authority data on immigration groups, year ending December 2024 (ODS, 263 KB)

    https://assets.publishing.service.gov.uk/media/675c7e1a98302e574b91539f/regional-and-local-authority-dataset-sep-24.ods">Regional and local authority data on immigration groups, year ending September 2024 (ODS, 262 KB)

    https://assets.publishing.service.gov.uk/media/66bf74a8dcb0757928e5bd4c/regional-and-local-authority-dataset-jun-24.ods">Regional and local authority data on immigration groups, year ending June 2024 (ODS, 263 KB)

    https://assets.publishing.service.gov.uk/media/66c31766b75776507ecdf3a1/regional-and-local-authority-dataset-mar-24-third-edition.ods">Regional and local authority data on immigration groups, year ending March 2024 (third edition) (ODS, 91.4 KB)

    https://assets.publishing.service.gov.uk/media/65ddd9ebf1cab3001afc4795/regional-and-local-authority-dataset-dec-2023.ods">Regional and local authority data on immigration groups, year ending December 2023 (ODS, 91.6 KB)

    https://assets.publishing.service.gov.uk/media/65ddda05cf7eb10011f57fbd/regional-and-local-authority-dataset-sep-2023.ods">Regional and local authority data on immigration groups, year ending September 2023 (ODS, <span class="gem-c-att

  7. Number of illegal aliens returned U.S. 2022, by country of origin

    • statista.com
    Updated Oct 14, 2025
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    Veera Korhonen (2025). Number of illegal aliens returned U.S. 2022, by country of origin [Dataset]. https://www.statista.com/topics/3454/illegal-immigration-in-the-united-states/
    Explore at:
    Dataset updated
    Oct 14, 2025
    Dataset provided by
    Statistahttp://statista.com/
    Authors
    Veera Korhonen
    Area covered
    United States
    Description

    In 2022, the greatest number of illegal aliens returned in the United States were from the Philippines, with 39,891 illegal aliens returned. India, Canada, China, and Russia rounded out the top five in that year.

  8. Data from: Illegal Immigration and Crime in San Diego and El Paso Counties,...

    • catalog.data.gov
    • icpsr.umich.edu
    Updated Mar 12, 2025
    + more versions
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    National Institute of Justice (2025). Illegal Immigration and Crime in San Diego and El Paso Counties, 1985-1986 [Dataset]. https://catalog.data.gov/dataset/illegal-immigration-and-crime-in-san-diego-and-el-paso-counties-1985-1986-9fc89
    Explore at:
    Dataset updated
    Mar 12, 2025
    Dataset provided by
    National Institute of Justicehttp://nij.ojp.gov/
    Area covered
    El Paso, San Diego
    Description

    This study was conducted to examine whether a rising crime rate in El Paso, Texas and San Diego, California in 1986 could be attributed to, among other factors, the influx of undocumented aliens. Variables include level of involvement of undocumented aliens in serious felony arrests in San Diego and El Paso Counties, the outcome of serious felony arrest cases involving undocumented persons compared to others arrested for similar offenses, the impact of arrests of undocumented aliens on the criminal justice system in terms of workload and cost, the extent that criminal justice agencies coordinate their efforts to apprehend and process undocumented aliens who have committed serious crimes in San Diego and El Paso counties, and how differences in agency objectives impede or enhance coordination. Data are also provided on how many undocumented persons were arrested/convicted for repeat offense in these counties and which type of policies or procedures could be implemented in criminal justice agencies to address the issue of crimes committed by undocumented aliens. Data were collected in the two cities with focus on serious felony offenses. The collection includes sociodemographic characteristics, citizenship status, current arrest, case disposition, and prior criminal history with additional data from San Diego to compute the costs involving undocumented aliens.

  9. U.S. public perception of immigration as a good or bad thing 2005-2024

    • statista.com
    Updated Oct 14, 2025
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    Statista Research Department (2025). U.S. public perception of immigration as a good or bad thing 2005-2024 [Dataset]. https://www.statista.com/topics/3454/illegal-immigration-in-the-united-states/
    Explore at:
    Dataset updated
    Oct 14, 2025
    Dataset provided by
    Statistahttp://statista.com/
    Authors
    Statista Research Department
    Description

    In 2024, 64 percent of survey respondents stated they think immigration is a good thing for the United States, which is a decrease from the previous year when 68 percent considered immigration a good thing. A further 32 percent of respondents said that they felt immigration was a bad thing for the country.

  10. Irregular migration to the UK, year ending March 2023

    • gov.uk
    Updated May 25, 2023
    + more versions
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    Home Office (2023). Irregular migration to the UK, year ending March 2023 [Dataset]. https://www.gov.uk/government/statistics/irregular-migration-to-the-uk-year-ending-march-2023
    Explore at:
    Dataset updated
    May 25, 2023
    Dataset provided by
    GOV.UKhttp://gov.uk/
    Authors
    Home Office
    Area covered
    United Kingdom
    Description

    This release presents statistics relating to irregular migration and small boat arrivals from 2018 onwards.

  11. H

    Migration Policy Institute

    • dataverse.harvard.edu
    Updated Feb 23, 2011
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    Harvard Dataverse (2011). Migration Policy Institute [Dataset]. http://doi.org/10.7910/DVN/0PNXIO
    Explore at:
    CroissantCroissant is a format for machine-learning datasets. Learn more about this at mlcommons.org/croissant.
    Unique identifier
    https://doi.org/10.7910/DVN/0PNXIO
    Dataset updated
    Feb 23, 2011
    Dataset provided by
    Harvard Dataverse
    License

    CC0 1.0 Universal Public Domain Dedicationhttps://creativecommons.org/publicdomain/zero/1.0/
    License information was derived automatically

    Description

    Users can download reports regarding immigrant issues and view maps of the distribution of the foreign-born population in the U.S. Topics include: immigration policy, migration, English language proficiency, and adult education. Background The Migration Policy Institute is a think tank dedicated to studying human migration across the globe. This website is useful for policymakers and practitioners interested in understanding and responding to immigrant integration. Topics include, but are not limited to: migration, immigration policy, English language proficiency, immigration enforcement, and English language education. User Functionality Users can download reports regarding immigrant int egration issues and immigration trends. Users can also access the State Responses to Immigration Database, the American Community Survey of the Foreign Born, and Who's Where in the United States Database. Users can download data into SAS statistical software. In addition, users can view maps showing the distribution of the foreign-born population in the U.S. Demographic information is available by race/ethnicity, Hispanic origin, place of origin, citizenship status, sex/gender, and marital status. Data Notes Data sources include the New Immigrants Survey, U.S. Department of State, U.S. Department of Homeland Security Office of Immigration Statistics, U.S. Department of Education, United States Census Bureau, U.S. Government Accountability Office (GAO), U.S. Customs and Border Protection, U.S. Immigration and Customs Enforcement (ICE), U.S. Citizen and Immigration Services, Congressional Research Service, Transactional Records Access Clearinghouse, National Immigration Law Ce nter, among others. Full citations and years to which the data apply, are indicated in each report. Data are available on national, state and city levels, depending upon the report.

  12. Immigration system statistics, year ending March 2023

    • gov.uk
    Updated Sep 4, 2023
    + more versions
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    Home Office (2023). Immigration system statistics, year ending March 2023 [Dataset]. https://www.gov.uk/government/statistics/immigration-system-statistics-year-ending-march-2023
    Explore at:
    Dataset updated
    Sep 4, 2023
    Dataset provided by
    GOV.UKhttp://gov.uk/
    Authors
    Home Office
    Description

    Immigration system statistics, year ending March 2023: data tables

    This release presents immigration statistics from Home Office administrative sources, covering the period up to the end of March 2023. It includes data on the topics of:

    • work
    • study
    • family
    • passenger arrivals and visitors
    • asylum
    • extensions of stay
    • settlement
    • citizenship
    • detention
    • returns

    Further information

    User Guide to Home Office Immigration Statistics
    Policy and legislative changes affecting migration to the UK: timeline
    Developments in migration statistics
    Publishing detailed datasets in Immigration statistics

    A range of key input and impact indicators are currently published by the Home Office on the Migration transparency data webpage.

    If you have feedback or questions, our email address is MigrationStatsEnquiries@homeoffice.gov.uk.

  13. U.S. adults on immigration making country worse or better 2024

    • statista.com
    Updated Oct 14, 2025
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    Veera Korhonen (2025). U.S. adults on immigration making country worse or better 2024 [Dataset]. https://www.statista.com/topics/3454/illegal-immigration-in-the-united-states/
    Explore at:
    Dataset updated
    Oct 14, 2025
    Dataset provided by
    Statistahttp://statista.com/
    Authors
    Veera Korhonen
    Area covered
    United States
    Description

    In a survey of U.S. adults conducted in February 2024, American opinions were split on immigration. While 29 percent of respondents indicated that immigration made the country better off, a further 38 percent said it made the country worse off.

  14. Migrants detected crossing the English Channel in small boats - daily data

    • gov.uk
    • s3.amazonaws.com
    Updated Feb 4, 2023
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    Ministry of Defence (2023). Migrants detected crossing the English Channel in small boats - daily data [Dataset]. https://www.gov.uk/government/statistical-data-sets/migrants-detected-crossing-the-english-channel-in-small-boats
    Explore at:
    Dataset updated
    Feb 4, 2023
    Dataset provided by
    GOV.UKhttp://gov.uk/
    Authors
    Ministry of Defence
    Area covered
    English Channel
    Description

    Summary

    Please note, this is a legacy page and will no longer be updated. The latest updates on migrant small boat crossing numbers can be found here.

    Definition of a small boat

    A ‘small boat’ is one of a number of vessels used by individuals who cross the English Channel, with the aim of gaining entry to the UK without a visa or permission to enter – either directly by landing in the UK or having been intercepted at sea by the authorities and brought ashore. The most common small vessels detected making these types of crossings are rigid-hulled inflatable boats (RHIBs), dinghies and kayaks.

    About the data

    • Data published under Ministry of Defence primacy over small boat crossings was provisional management information taken from live operational systems and are subject to change, including reduction
    • Finalised and authoritative data on small boat arrivals will be included in the quarterly Irregular migration to the UK release

    The UK data include individuals who:

    • are detected on arrival in the UK
    • are detected in the Channel by UK authorities and subsequently brought to the UK

    These data do not include individuals who:

    • arrive in the UK on larger vessels, such as go-fast craft, yachts, motor cruisers, tugs and fishing vessels – although these are rarely used by irregular migrants at present
    • arrive in the UK clandestinely on larger vessels not referenced above, including where hidden in a vehicle on a ferry
    • arrive in the UK undetected, or where there have been reports of people making the crossing, but no actual encounters

    Related information

    Migrants detected crossing the English Channel in small boats - monthly data

  15. U.S. number of alien removals and returns 1990-2022

    • statista.com
    Updated Oct 14, 2025
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    Veera Korhonen (2025). U.S. number of alien removals and returns 1990-2022 [Dataset]. https://www.statista.com/topics/3454/illegal-immigration-in-the-united-states/
    Explore at:
    Dataset updated
    Oct 14, 2025
    Dataset provided by
    Statistahttp://statista.com/
    Authors
    Veera Korhonen
    Area covered
    United States
    Description

    In 2022, approximately 108,733 aliens were removed from the United States by the Department of Homeland Security. Another 261,387 alien returns occurred during the same year. Removals are the compulsory movement of an inadmissible or deportable alien out of the U.S. by an order of removal, while returns are the movement of an inadmissible or deportable alien out of the U.S. without an order of removal.

  16. Undocumented Immigrants Deported in the U.S.

    • kaggle.com
    zip
    Updated Mar 31, 2021
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    Elizabeth Fabio (2021). Undocumented Immigrants Deported in the U.S. [Dataset]. https://www.kaggle.com/ekayfabio/immigration-deported
    Explore at:
    zip(1212 bytes)Available download formats
    Dataset updated
    Mar 31, 2021
    Authors
    Elizabeth Fabio
    License

    https://creativecommons.org/publicdomain/zero/1.0/https://creativecommons.org/publicdomain/zero/1.0/

    Description

    Acknowledgement

    The following table is imported from the 2019 Yearbook of Immigration Statistics under the Department of Homeland Security:

    The 2019 Yearbook of Immigration Statistics is a compendium of tables that provide data on foreign nationals who are granted lawful permanent residence (i.e., immigrants who receive a “green card”), admitted as temporary nonimmigrants, granted asylum or refugee status, or are naturalized. The Yearbook also presents data on immigration enforcement actions, including apprehensions and arrests, removals, and returns.

    Table 39. Aliens Removed or Returned: Fiscal Years 1892 to 2019 (https://www.dhs.gov/immigration-statistics/yearbook/2019/table39)

    Inspiration

    The data was collected to observe trends in history reflecting the number of immigrants deported - more specifically removed or returned.

  17. Small boat activity in the English Channel

    • gov.uk
    Updated Oct 24, 2025
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    Home Office (2025). Small boat activity in the English Channel [Dataset]. https://www.gov.uk/government/publications/migrants-detected-crossing-the-english-channel-in-small-boats
    Explore at:
    Dataset updated
    Oct 24, 2025
    Dataset provided by
    GOV.UKhttp://gov.uk/
    Authors
    Home Office
    Area covered
    English Channel
    Description

    Data on small boat arrivals for the last 7 days is updated every day.

    The time series for small boat arrivals is updated weekly on Friday. The time series goes back to 2018.

    The figures for French prevention are updated weekly every Friday. French prevention activity includes individuals who are prevented from departing France, those who return to France and finds of maritime equipment.

    The data published here is provisional and subject to change, including reduction. Finalised data on small boat crossings since 2018 is published in the quarterly Immigration system statistics under the topic “How many people come to the UK irregularly”.

    If you have any questions about the data, please contact migrationstatsenquiries@homeoffice.gov.uk.

    Related content

    https://homeofficemedia.blog.gov.uk/2023/01/31/latest-statement-in-response-to-small-boat-crossings/">Home Office press statement on small boat crossings

    For press enquiries, please contact the newsdesk on 0300 123 3535.

  18. U.S. border patrol: alien apprehensions 2000-2020, by border

    • statista.com
    Updated Oct 14, 2025
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    Abigail Tierney (2025). U.S. border patrol: alien apprehensions 2000-2020, by border [Dataset]. https://www.statista.com/topics/3454/illegal-immigration-in-the-united-states/
    Explore at:
    Dataset updated
    Oct 14, 2025
    Dataset provided by
    Statistahttp://statista.com/
    Authors
    Abigail Tierney
    Description

    In the fiscal year of 2020, the United States Border Patrol apprehended 400,651 people trying to cross the Southwest border. This was a significant decrease from the previous year, when there were 851,508 apprehensions by Border Patrol at the Southwest border. This decrease is likely due to the impact of the coronavirus (COVID-19) pandemic.

  19. Immigration system statistics, year ending March 2025

    • gov.uk
    Updated Jun 25, 2025
    + more versions
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    Home Office (2025). Immigration system statistics, year ending March 2025 [Dataset]. https://www.gov.uk/government/statistics/immigration-system-statistics-year-ending-march-2025
    Explore at:
    Dataset updated
    Jun 25, 2025
    Dataset provided by
    GOV.UKhttp://gov.uk/
    Authors
    Home Office
    Description

    This release presents immigration statistics from Home Office administrative sources, covering the period up to the end of March 2025. It includes data on the topics of:

    • passenger arrivals and visitors
    • work
    • study
    • family
    • safe and legal routes
    • irregular migration
    • asylum claims
    • granted asylum
    • total cases in the asylum system
    • settlement or citizenship
    • EU Settlement Scheme
    • detention
    • returns

    Further information

    User guide to Home Office Immigration statistics
    Policy and legislative changes affecting migration to the UK: timeline
    Developments in migration statistics
    Publishing detailed datasets in Immigration statistics
    Migration analysis at the Home Office collection page

    A range of key input and impact indicators are currently published by the Home Office on the Migration transparency data webpage.

    If you have feedback or questions, our email address is MigrationStatsEnquiries@homeoffice.gov.uk.

  20. o

    Replication data for: Immigration Enforcement and Crime

    • openicpsr.org
    Updated May 1, 2015
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    Paolo Pinotti (2015). Replication data for: Immigration Enforcement and Crime [Dataset]. http://doi.org/10.3886/E113379V1
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    Unique identifier
    https://doi.org/10.3886/E113379V1
    Dataset updated
    May 1, 2015
    Dataset provided by
    American Economic Association
    Authors
    Paolo Pinotti
    Description

    Immigration enforcement has ambiguous implications for the crime rate of undocumented immigrants. On the one hand, expulsions reduce the pool of immigrants at risk of committing crimes, on the other they lower the opportunity cost of crime for those who are not expelled. We estimate the effect of expulsions on the crime rate of undocumented immigrants in Italy exploiting variation in enforcement toward immigrants of different nationality, due to the existence of bilateral agreements for the control of illegal migration. We find that stricter enforcement of migration policy reduces the crime rate of undocumented immigrants.

Share
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Email
Click to copy link
Link copied
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Home Office (2025). Irregular migration summary: previous data tables [Dataset]. https://www.gov.uk/government/statistical-data-sets/irregular-migration-detailed-dataset-and-summary-tables
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Irregular migration summary: previous data tables

Explore at:
2 scholarly articles cite this dataset (View in Google Scholar)
Dataset updated
Aug 21, 2025
Dataset provided by
GOV.UKhttp://gov.uk/
Authors
Home Office
Description

The latest Irregular migration statistics are now incorporated into the Immigration system statistics.

Return to Immigration system statistics quarterly release collection page.

Previous summary tables

https://assets.publishing.service.gov.uk/media/68a5cb7a2a1dfc29763d515f/irregular-migration-to-the-uk-summary-mar-2025.xlsx">Irregular migration to the UK summary tables, year ending March 2025 (MS Excel Spreadsheet, 47.8 KB)

https://assets.publishing.service.gov.uk/media/681c6215155568d3da1d2a0c/irregular-migration-to-the-uk-summary-dec-2024.ods">Irregular migration to the UK summary tables, year ending December 2024 (ODS, 33 KB)

https://assets.publishing.service.gov.uk/media/67bf172fa0f0c95a498d1fb0/irregular-migration-to-the-UK-summary-tables-year-ending-sep-2024.ods">Irregular migration to the UK summary tables, year ending September 2024 (ODS, 31.7 KB)

https://assets.publishing.service.gov.uk/media/66c47cdfb75776507ecdf45c/irregular-migration-to-the-UK-summary-tables-year-ending-jun-2024.ods">Irregular migration to the UK summary tables, year ending June 2024 (ODS, 30.9 KB)

https://assets.publishing.service.gov.uk/media/6645e961bd01f5ed32793d0a/irregular-migration-to-the-UK-summary-tables-year-ending-mar-2024.ods">Irregular migration to the UK summary tables, year ending March 2024 (ODS, 26.7 KB)

https://assets.publishing.service.gov.uk/media/65d640c92ab2b300117596b2/irregular-migration-to-the-UK-summary-tables-year-ending-dec-2023.ods">Irregular migration to the UK summary tables, year ending December 2023 (ODS, 25.9 KB)

https://assets.publishing.service.gov.uk/media/65575cab046ed400148b9ad2/irregular-migration-to-the-UK-summary-tables-year-ending-september-2023.ods">Irregular migration to the UK data tables, year ending September 2023 (ODS, 24.2 KB)

https://assets.publishing.service.gov.uk/media/64e46cd63309b700121c9c07/irregular-migration-to-the-UK-summary-tables-year-ending-june-2023.ods">Irregular migration to the UK data tables, year ending June 2023 (ODS, 27.6 KB)

https://assets.publishing.service.gov.uk/media/64edc92ada8451000d632328/irregular-migration-to-the-UK-summary-tables-year-ending-march-2023.ods">Irregular migration to the UK data tables, year ending March 2023 (ODS, 29.8 KB)

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