From the Wall Street Journal:
Demand for American Sperm Is Skyrocketing in BrazilThe U.S. had a color line while Brazil had a color continuum, so most American individuals who self-identify as (non-Hispanic) white are extremely white. In a 2014 23 and Me study, the average self-identified white American was only 1/385th as black as the average self-identified black American. In contrast, in Brazil, a lot of people who self-identify as white have some black ancestors and thus their descendants might turn out a little blacker looking than expected.
Explosive growth spurred by more wealthy single women and lesbian couples turning to U.S. donors
By Samantha Pearson Updated March 22, 2018 11:14 a.m. ET
SÃO PAULO—With “jewel-tone eyes,” blond hair and a “smattering of light freckles,” Othello looks nothing like most Brazilians, the majority of whom are black or mixed-race. Yet the “Caucasian” American cashier, described in those terms by the Seattle Sperm Bank and known as Donor 9601, is one of the sperm providers most often requested by wealthy Brazilian women importing the DNA of young U.S. men at unprecedented rates.
Denmark has long been the leading exporter of sperm for fertility clinics.