Sea arrivals into mainland Europe peaked in 2015, when the UN said more than a million people crossed the Mediterranean. Between April 2025 and March 2026, there were a combined 169,341 sea arrivals to the UK, Greece, Italy, Spain and Cyprus. Crossings to the UK accounted for about 23% of the total.
Source: https://www.bbc.com/news/articles/c802e7jk458o?at_medium=RSS&at_campaign=rss