As of 2015, GuinnessWorldRecords.com lists Bettina Dorfmann as the world record holder for largest collection of Barbie dolls. Dorfmann's collection, which she has been amassing since 1966, includes over 15,000 different dolls.
First released in the United States by Mattel in 1959, Barbie remains a central focus in the toy industry, capturing the attention of millions of children and more than 100,000 adult collectors worldwide. Bettina Dorfmann was recognized by Guinness World Records as the top Barbie collector in 2011, and she continues to hold the record in 2015. Dorfman became serious about collecting in 1993 and now devotes an entire room in her house to her collection.