Overall, 207,159 migrants have arrived in the UK after crossing the Channel since data began on January 1 2018. – Migrants per boatWhile the number of migrants arriving in small boats is running at a lower level this year, the average number of people per boat is at a record high. Only 32 boats were used to make these crossings, however, giving an average of 72 migrants per boat. The average number of migrants per boat has increased each year since 2018. – Nationality of arrivalsData on the nationality of migrants crossing the Channel is published every three months.