According to Barnardos children's charity, 8,750 new foster families will be needed across the UK in 2012 to 2013.
Currently 7,000 children are in need of adoption, with a white child three times more likely to be adopted than a black child, they said.
- 7,100 in England
- 1,000 in Scotland
- 550 in Wales
- 100 in Northern Ireland
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The Prime Minister will say Moscow's brazen flouting of international law represents a threat to the basis of democracy across Europe.
In some cases, victims of violence and other serious crimes face long delays as forces are unable to dispatch officers promptly.
Mr Corbyn will highlight increases of almost 6% in council tax bills across the country.