{"metric":"small_boat_arrivals","title":"Small boat arrivals","topic":"migration","unit":"people","measure_type":"count","geography":"K02000001","comparison_method":"year_on_year","latest":{"period_start":"2025-07-01","period_end":"2026-06-30","period_label":"Year ending June 2026","value":33374,"status":"provisional","vintage":"2026-08-27"},"comparison":{"period_label":"Year ending June 2025","value":43309,"vintage":"2026-08-27"},"source":{"publisher":"Home Office","publication":"Immigration system statistics: illegal entry routes summary tables","landing_url":"https://www.gov.uk/government/statistical-data-sets/immigration-system-statistics-data-tables","sheet":"IER_01","table":"IER_01","row":"Small boat arrivals","column":"Year ending June 2026","raw_value":"33374","file_url":"https://assets.publishing.service.gov.uk/media/6a8c11c3a8f84a582b84281a/illegal-entry-routes-to-the-uk-summary-jun-2026-tables.ods","file_sha256":"247cdb26e11953ce73a88589c9edc9ade531328a5f97b75c56abf612217c293f","release_date":"2026-08-27","release_label":"Year ending June 2026"},"definition":"The number of people detected arriving in the UK by small boat across the English Channel in a 12-month period, as finalised in the quarterly Immigration system statistics.","does_not_measure":"People who crossed undetected, people prevented from crossing by French authorities, or arrivals by other irregular routes such as concealed in vehicles or with inadequate documents.","links":{"page":"/migration/small-boat-arrivals","series":"/api/metrics/small_boat_arrivals/series","vintages":"/api/metrics/small_boat_arrivals/vintages"}}