Britain cannot indefinitely sustain a fiscal settlement that subordinates national security to welfare expenditure — and Kemi Badenoch has now said so plainly.
In a significant statement of Conservative economic and defence policy, the party leader has set out a fully costed prospectus to raise defence spending to 3 per cent of GDP by 2030, funded not through additional borrowing or broader tax rises, but through structural reform of the welfare state. The political logic is straightforward; the fiscal arithmetic, for once, has been shown. Badenoch’s central contention — that a government cannot credibly claim to protect its citizens while allowing the Armed Forces to wither as the benefits bill expands — deserves to be taken seriously on its merits rather than dismissed as partisan positioning.
The immediate provocation was a remark by Prime Minister Andy Burnham, which Badenoch characterised as confirming that his government places social security above national security. Whether or not one accepts that characterisation in full, the underlying tension it identifies is real and has been building for years. Britain’s welfare expenditure has grown substantially as a share of public spending, while defence budgets have been repeatedly stretched to accommodate commitments that outpace resources. The two trends are not unrelated. They reflect a set of political choices, made across successive governments but accelerated under the current one, about what the state is principally for.
The specific measures Badenoch proposes are worth examining with care. The largest savings would come from reforming housing benefit and reimposing the two-child benefit cap — policies that are politically contentious but fiscally material, and which represent genuine choices about the scope and conditionality of state support rather than arbitrary cruelty. Beyond welfare reform, the package includes allocating £2.75 billion from the National Wealth Fund to a new national defence and resilience bank, redirecting £2 billion of the civil research and development budget into defence applications, and recovering £200 million annually by reversing Labour’s agreement to cede the Chagos Islands. Together, these measures are projected to generate an additional £10 billion for defence by the end of parliament.
The Chagos figure is modest in isolation, but its symbolic weight is considerable. The decision to surrender the islands — and with them the strategic utility of Diego Garcia — was widely criticised at the time as a concession that served no clear British interest. Reversing it would signal something beyond the money: a willingness to treat Britain’s strategic assets as assets rather than liabilities to be disposed of in pursuit of diplomatic goodwill of uncertain value.
What distinguishes this prospectus from much of what passes for defence policy debate is the attempt at costing. Too often, commitments to increase defence spending are announced without any honest account of where the money originates, leaving the implicit assumption that it will be borrowed or conjured through optimistic growth projections. Badenoch’s approach — identifying specific spending categories to reform and specific budgets to redirect — imposes a discipline that is both fiscally responsible and politically honest. It forces the argument onto ground where it belongs: not whether defence matters, but what the country is prepared to forgo in order to fund it properly.
The implication is harder than the headline. A Conservative government serious about this agenda would need to withstand sustained pressure from those who benefit from the welfare provisions it proposes to reform, from civil research institutions that would lose funding, and from the diplomatic constituency that regards the Chagos agreement as settled. None of that is straightforward. But the alternative — continuing to treat defence as a residual claimant on whatever the welfare state leaves behind — carries risks that are, in the present European security environment, rather more consequential than any of those political discomforts.