Your guide to the new anti-immigration argument

Nothing unites and propels the world’s nationalists quite like hostility to immigration. And in the 2020s there has been lots of it: the number of long-term migrants to the rich world rose by 28% from 2019 to 2023. This wave has helped Donald Trump return to the White House and benefited hard-right parties across Europe. Immigration is arguably the present era’s defining political issue.