How many really poor children are there in the UK? There is no standard measure of poverty, so social policy consultant Donald Hirsch has compiled this set of data — to give us a total number for children in low-income families by local authority and by county. It's been used by End Child Poverty to produce local area maps. Here's the data for you to have a go.
DATA: Child poverty in England
• Can you do something with this data? Please post us your visualisations and mash-ups below or mail us at datastore@theguardian.com