Everyone's talking about Trump's tariffs ripping up the global trade order. But while politicians argue about economic disruption, Britain's own disruption story sits buried in Ministry of Justice files: the country built its modern crime problem during the supposed golden age of post-war prosperity.

In 1945, just 18 people per 1,000 offenders were caught reoffending within a year of their sentence. By 1964, that figure had rocketed to 31 per 1,000. A 72% surge in two decades. (Source: Ministry of Justice, Proven Reoffending -- proven-reoffending_jan24_mar24_3_monthly -- A7b_(3_monthly))

This wasn't gradual drift. This was rapid social change during Britain's most celebrated era of rebuilding. While the country constructed the welfare state and rebuilt bombed cities, it was simultaneously creating the conditions for persistent reoffending that still plague the justice system today.

The timing matters. 1945 to 1964 covers the peak years of post-war optimism: full employment, rising wages, new towns sprouting across the country. The narrative says this was when Britain got back on its feet. The reoffending data tells a different story.

What changed? The war had disrupted everything: family structures, communities, social expectations. Young men who'd seen combat or grown up during rationing were entering a rapidly changing society. The old informal controls that kept small communities in line were disappearing as people moved to new towns and anonymous suburbs.

By 1964, the reoffending rate had settled at levels that would define British criminal justice for decades. The 31 per 1,000 figure from 1964 wasn't an aberration. It was the new normal, established during the years politicians still romanticise as Britain's finest hour of social reconstruction.

Today's justice system inherited this problem. Every debate about prison reform, rehabilitation programmes, and sentencing policy operates in the shadow of choices made during those post-war years. The surge in reoffending wasn't caused by modern pressures like social media, benefit cuts, or urban decay. It was baked in when Britain was supposedly building a better society.

Politicians love to blame crime on contemporary failures: weak sentences, liberal judges, inadequate policing. The 1945-64 data suggests something more uncomfortable. Britain's crime problem emerged during its period of greatest social progress, when the country was most confident about its ability to engineer a better future.