20th April 2026
Most people think of the NHS as a proudly British institution that was built here, staffed here, sustained here. But the truth is far more uncomfortable in that the NHS depends on foreign‑trained nurses, doctors, carers, and imported medicines to keep its doors open.
And at a time when the UK is pushing to reduce immigration and global supply chains are under strain, that dependence is becoming a serious vulnerability.
This isn’t political spin. It’s what NHS leaders, medical unions, and independent researchers are saying often with increasing alarm.
The NHS Is Built on Overseas Staff and Always Has Been
The NHS has relied on migrant healthcare workers since its earliest days, and that reliance has only grown.
Recent data shows:
Half of secondary‑care doctors in England trained abroad.
More than two‑thirds of doctors joining the NHS in recent years trained outside the UK.
Around 325,000 NHS staff in England report as non-British. About 21%, and 138,405 licensed doctors working in the UK have qualified abroad, 42%.
Almost half of newly registered nurses were trained overseas.
Scotland, Wales, and Northern Ireland show the same pattern. In fact, the number of nurses trained in “red list” countries — nations already facing their own severe healthcare shortages — has more than doubled across all devolved nations since 2021.
This is not a small supplement to the workforce.
This is the workforce.
But Now Those Workers Are Thinking of Leaving
A new survey of nearly 1,900 international NHS staff found that 43% are considering leaving the UK.
Why?
Tightening visa rules
Higher fees
Anti‑immigrant rhetoric
Feeling unwelcome or unsafe
One in four said they feel unwelcome. One in five said they feel unsafe.
Union leaders warn that without migrant staff, the NHS would collapse.
This isn’t exaggeration it’s arithmetic.
The Immigration Crackdown Collides With Reality
The government’s immigration white paper aims to reduce net migration, but the NHS Employers organisation warns that many essential roles — especially support workers — won’t meet the new skills threshold.
Meanwhile:
Visa costs are rising
Settlement periods are being extended
English‑language requirements are tightening
Employers must pay higher sponsorship charges
These changes make it harder to recruit and harder to retain the very people the NHS depends on.
Researchers at the Nuffield Trust warn that the crackdown threatens the NHS workforce at a time when vacancies remain high and domestic training cannot fill the gap.
Scotland Is Not Immune
Although Scotland has its own health system, it draws from the same global labour pool.
Nuffield Trust data shows that the number of nurses trained in red‑list countries has more than doubled in Scotland since 2021.
If UK‑wide immigration rules tighten, Scotland feels the impact just as sharply — sometimes more so, because rural and remote areas already struggle to recruit.
The NHS Also Depends on Imported Medicines And That’s Another Weak Spot
It’s not just staff.
The UK imports around 75% of its medicines.
Most generics come from China and India, not Europe.
And the supply chain is fragile:
Manufacturing problems
Raw‑material shortages
Global shipping disruption
Geopolitical conflict
NHS England’s chief executive recently said he is “really worried” about medicine supplies, warning that some drugs could run out within days if disruptions worsen.
Pharmacies are already seeing price spikes, an early sign of stress.
The Department of Health admits the supply chain is “complex, global and highly regulated” — and vulnerable at every stage.
The Perfect Storm: Fewer Migrants, More Shortages
Put these two realities together:
The NHS relies heavily on overseas staff.
The UK relies heavily on imported medicines.
Now add:
Immigration restrictions
Rising global tensions
Supply‑chain disruption
Higher visa costs
Workers feeling unwelcome
You get a system that is over‑stretched, under‑staffed, and exposed.
UNISON summed it up bluntly:
“Migration does not weaken the NHS — migration is the reason it survives.”
Yes the NHS in the UK and Scotland is too dependent on imported staff and imported medicines.
But that dependence isn’t a moral failing. It’s the result of:
years of under‑training
chronic workforce shortages
an ageing population
globalised pharmaceutical production
and policy decisions that made overseas recruitment the easiest fix
Now, with immigration tightening and supply chains under pressure, the NHS is facing the consequences of that long‑term reliance.
The uncomfortable truth is this:
You cannot reduce migration and maintain NHS staffing levels at the same time.
You cannot rely on imported medicines and expect zero shortages.
The system works barely because the world supports it. If that support falters, the NHS falters with it.