London’s child population is collapsing faster than anywhere in Britain as unaffordable housing and childcare costs drive young families away, a report by the London Assembly found.In the decade through 2023 the number of residents under ten years of age fell by 99,100 as families moved out and fertility rates crashed - even while the capital’s overall population increased by 506,000.Falling pupil numbers have prompted 100 of London’s 2,500 schools to close since 2018; mostly in inner London....