The whole migration argument is about who arrives. Britain also loses hundreds of thousands of its own people every year, and almost no one asks why. A border policy manages one door. Nothing manages the other.
Crossbencher · 18 July 2026
Not every departure is a loss, and the honest version of this argument says so up front. Students go home when their courses end. People take a posting abroad and come back. A lot of the outflow is churn, and the figure that matters for population is the net one - which has run positive for years on the strength of arrivals. Treat every leaver as a talented Briton fleeing a failing state and you are over-reading the data.
Say all that, and a hard fact still stands. More than 600,000 people leave the United Kingdom every year. In the year to December 2025 the figure was 642,000 (Office for National Statistics, long-term international migration). Strip out the churn and the returns and it's still an enormous standing outflow. And the entire national argument about migration behaves as if it weren't there. Every ounce of political energy goes on the arrivals door: who comes, how many, on what terms. The departures door is left to swing.
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The Emigration Half of the Equation · Crossbencher