intermediary program open only to adult adoptees
     and their birth parents

as of January 1, 2008, three states offer intermediary programs
open to adult adoptees as well as their birth parents:

Connecticut (waiver) AD BP

Michigan AD AP BP BS

North Carolina AD AP

in addition, three open records states offer search assistance
to both adult adoptees and their birth parents:  

Delaware AD AP BP

Kansas AD AP BP

New Hampshire AD AP

states which offer a mutual consent registry are listed in color

states which provide non-identifying information to adoptees
are marked with the abbreviation AD

states which provide non-identifying information to adoptive parents
are marked with the abbreviation AP

states which provide non-identifying information to birth parents
are marked with the abbreviation BP

states which provide non-identifying information to birth siblings
are marked with the abbreviation BS