In recent years, international adoption has been on the decline. Due to changes in country policy and many nations promoting domestic adoption over intercountry, the hurdles prospective adoptive parents face seem to be growing. And for single parents, choosing to raise a child on their own may be the biggest hurdle of all. In the United States, single parent adoption constitutes 30% of all domestic adoptions. But in intercountry adoption, several countries limit prospective adoptive parents to married couples. So, which countries are single-parent friendly? Here is a list of the Top 5.