Katie and Chloe have been waiting their whole lives for the state to find them a family.
Aged six and nine, they are just two of about 65,000 children in care in Britain. On average, a child in care waits two years and seven months to be adopted.
Panorama has been following six children in Coventry to find out what it is like waiting for a family.
Panorama: The Truth About Adoption, BBC One, Wednesday, 14 December at 21:30 GMT and then available in the UK on the