If the current number of intercountry adoptions into the United States were to increase tenfold, this would still represent only one-half of 1% of dual-parent orphans worldwide, and less than one-tenth of 1% of all orphans.
Source: Adoption Advocate No. 57: Reconsidering Intercountry Adoption: Who wants to Adopt and Who Could Be Adopted? Published March 2013 by Christopher Balding. Read more.