Britain’s welfare system is effectively penalising marriage, leaving some single mothers almost £10,000 a year worse off if they marry or move in with the father of their child, new research has revealed.

A report by the Centre for Social Justice (CSJ) warns that the tax and benefits system now actively discourages family formation, creating what it describes as a “couple penalty” that leaves parents financially better off living apart than building a stable home together.

The disparity is stark. According to Telegraph, a 30-year-old mother who is unemployed and caring full-time for her one-year-old child would lose around £5,700 a year if she married or moved in with the child’s father earning £20,000. If his salary rose to £30,000, the financial penalty would soar to £9,600 annually.

Genesis 2: 24 Therefore shall a man leave his father and his mother, and shall cleave unto his wife: and they shall be one flesh.

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The structure of Universal Credit

Single mothers ‘£10k worse off if they marry’
Single mothers ‘£10k worse off if they marry’

The reason lies in the structure of Universal Credit. As a lone parent, a mother may qualify for the standard allowance, the child element and housing support. But once she forms a household with the child’s father, their income is assessed jointly, and his earnings rapidly reduce the family’s entitlement. Universal Credit is then withdrawn at a rate of 55p for every £1 earned above the applicable work allowance.

The result is a welfare system that rewards family breakdown while making commitment more expensive.

The CSJ, founded by former Work and Pensions Secretary Sir Iain Duncan Smith, is urging ministers to overhaul the system and remove what it calls a financial disincentive to marriage. The think tank argues that government policy should strengthen, not undermine, the family—the institution most consistently associated with better outcomes for children.

Its report, The Stability Advantage, authored by researcher Dr Harry Benson, challenges the long-held assumption that marriage merely reflects financial privilege. Instead, it concludes that marriage itself significantly improves family stability, even after accounting for income, education and other socio-economic factors.

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The separation

Drawing on data from the Millennium Cohort Study, the report found that parents in the poorest fifth of households who marry are substantially less likely to separate than parents in the richest fifth who never marry. Over the first 14 years of parenthood, only 26 per cent of poorer married couples separated, compared with 46 per cent of wealthier couples who remained unmarried.

The findings strike at the heart of a policy narrative that treats family structure as largely irrelevant. According to the report, strategies aimed solely at reducing poverty while ignoring family stability are destined to fall short.

The research also highlights a long-established trend: couples who cohabit are almost twice as likely to separate during their children’s early years as those who marry.

For the CSJ, the conclusion is unavoidable. If government genuinely wants to tackle child poverty and improve life chances, it cannot continue operating a welfare system that makes marriage financially disadvantageous. A benefits regime that leaves parents better off living apart than together is not merely economically flawed—it sends a powerful message about the value the state places on family life.

David Lammy’s proposal

Rt Hon David Lammy MP as Foreign Secretary at the United Nations
Rt Hon David Lammy MP as Foreign Secretary at the United Nations

Recently, David Lammy decided to water down marriage under proposals being considered by the Ministry of Justice. Couples who have lived together for three years or who share a child could be granted inheritance rights similar to those enjoyed by married couples and civil partners. Cohabiting partners may also gain legal claims over property when relationships break down. The justification is “fairness”. Yet one awkward question remains. If marriage and cohabitation are effectively the same thing, why does marriage exist at all?

The Justice Secretary argues that many unmarried couples lack “adequate legal protections” when a relationship ends or when a partner dies. Well, yes. That’s because society should recognise marriage not as a private arrangement between two people, but as a public commitment that benefits children, families and communities. That’s why there has been some sort of ceremony or celebration for a marriage for millennia:

John 2:1 And the third day there was a marriage in Cana of Galilee; and the mother of Jesus was there: 2 And both Jesus was called, and his disciples, to the marriage.

Family life under attack

Family life has consistently being under attack in recent times. Politicians claim to support families. However, the tax system tells a different story. Research shows families relying on one primary breadwinner can be more than £12,000 worse off than households where earnings are split between two parents.

Once a single earner crosses certain income thresholds, the family begins losing childcare support, child benefit and other allowances. Meanwhile, two parents earning similar combined incomes can keep many of those benefits simply because their earnings are divided differently.

The message seems clear: government increasingly favours households where both parents work full-time, putting their children into daycare. Unbiblically high taxation forces both parents out to work, further depressing the birth-rate.

Benefit fraud

Benefits fraudsters who conceal their savings and assets are costing taxpayers more than £25million every week, according to Department for Work and Pensions figures.

The data reveals that claimants who failed to disclose cash, investments and other funds hidden in their accounts extracted a record £1.325billion from the welfare system during the last financial year.

This represents a surge of more than a third compared to four years ago, when the figure stood at £982million in 2021-22.

Universal Credit accounted for the bulk of the losses, with £1.04bn attributed to undeclared savings and capital.

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Read and pray

READ: Genesis 1:28; Gen 2:18; Psalm 128:3–4; 127:3 Prov 13:22; Prov 31:11–12, Eccl 4:9–10; Mark 10:9; 1 Corinth 6:18 Heb 13:4; 1 Thessalonians 4:3, and Eph 5:3..31.

PRAY: Pray for the sanctity of marriage

Pray that God will grant Godly leaders discernment to make decisions that promote truth, unity, and the common good.

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