In this paper we use a multidimensional framework to characterise child poverty in the UK. We examine the interdependencies amongst the different dimensions of multidimensional poverty, and the relationship of multidimensional poverty with income poverty. We also explore the links between multidimensional poverty, income poverty, and children's cognitive and non-cognitive development. Our findings suggest that multidimensional poverty identifies many but not all of the same children classified using standard income poverty measures, although multidimensional poverty is rather more persistent over time than income poverty. Multidimensional poverty also has a detrimental impact on children's development over and above the negative impact of i...