London has the highest rate of child poverty than anywhere else in England, a report has revealed.
The report, commissioned by the Mayor of London, found 38% of children in London are living in poverty compared with an England average of 29%.
It found poverty was most common among children from ethnic minorities.
According to The State of London's Children report, child poverty rates in the inner city stood at 54% and at 30% in outer London.
"London's children, particularly those in inner London, continue to experience the highest levels of child poverty and inequality of any region in the UK," said Ken Livingstone.
But researchers said it was impossible to explain any link between child poverty and ethnicity due to gaps in the information.
"This lack of data is particularly critical in a city which includes such a high percentage of black minority ethnic children and is characterised by its diversity," the report said.
The report draws information from the 2001 census, the Greater London Authority and this year's GLA Young Londoners' Survey of more than 1,000 young people aged between 11 and 16.