Alan Johnson introduced paid paternity leave in the UK over two decades ago. The system he built is now working against the people it was supposed to help. HMRC data analysed by the Dad Shift campaign group shows that 90% of paternity leave claims in 2024-25 came from fathers in the top half of earners — those making more than £37,800 a year. For shared parental leave, that figure climbs to 95%. The statutory rate of £187.18 a week for two weeks is simply too low for lower-paid workers to afford. The mechanism is straightforward extraction by omission. A father earning £25,000 faces a pay cut of roughly 60% during paternity leave. A father earning £60,000, often topped up by an employer, faces a fraction of that gap. Self-employed fathers have no entitlement at all. The policy exists on paper; in practice, it filters by income. Johnson, now backing a coalition of current and former Labour MPs, is calling for six weeks of paternity leave paid at 90% of earnings, capped at £1,200 a week, with coverage extended to the self-employed. The Joseph Rowntree Foundation estimates the gross cost at £1 billion, but increased tax receipts from mothers returning to work earlier could reduce the net public cost to £220 million. The demographic argument underneath is blunt. Johnson frames it without euphemism: "Society needs children, mankind needs to procreate." If financial pressure is suppressing family formation, the state has a direct interest in removing the barrier. The UK's total fertility rate has been below replacement since the early 1970s, and the gap between desired and actual family size among lower earners is well documented. The political calculus is unusually clean. Johnson describes the £220 million net cost as "money down the back of the sofa" in government terms, and argues the policy creates a favourable dividing line for Labour. Opposition is hard to construct: the beneficiaries are working fathers and newborns, the cost is modest relative to fiscal scale, and the economic case for maternal workforce return is established. Johnson's own biography gives the argument texture. He married at 18, had three children by 20, and recalls returning to his Royal Mail night shift the day after his second child was born because there was no alternative. His fourth child arrived decades later when he was a minister — by which time norms had shifted, but statutory support for lower earners had not. The core structural question is whether the forthcoming budget will include the reform. Chancellor John Healey faces significant fiscal pressure, and £220 million net — while small in departmental terms — still competes with other claims. The policy's fate will signal whether Labour treats family formation as an investment or a consumption item.
