Married couples and single women are eligible to adopt from Bulgaria. Generally, older parents will be referred older children. Parents must be at least 15 years older than the child they wish to adopt, and a maximum of 50 years age difference. The age difference is not required when two spouses adopt and the required difference exists for one of them. There is no specific requirement regarding length of marriage or prior divorces; however, the strength of the current marriage and relationship history is taken into account.