CSJ researchers emphasize the issue is systemic, not just anecdotes, and call for examining why long-term relationships and marriage are declining.

Young men aged 20–34 are increasingly living with parents, rising from about 20% in 2008 to nearly 30% in 2025, with men at 34.9% living at home compared with 22.3% of young women.

The report characterizes the trend as a 'relationship recession' that could affect individual health, happiness, and the UK’s economic future if not addressed.

Context shows a dramatic decline: a 97% drop in marriage rates for men in their early twenties over five decades and a 90% drop for those under 30 overall.

Researchers caution against moralizing, presenting findings as a sober analysis of current relationship dynamics and their potential long-term consequences.

Quotes from CSJ researchers highlight concerns about meeting people, forming stable partnerships, and the broader societal and economic implications of these trends.

The CSJ notes a sharp decline in marriage among under-30s over five decades, estimating about 3.7 million fewer married individuals under 30 today (from 4.5 million in 1976 to roughly 790,000).