This week the new gTLD .XYZ past .US, the ccTLD of the United States, in the total number of domain registrations.
According to RegistrarStats.com the number of .XYZ registration is 1,726,541 compared to .US which has 1,670.478.
Keep in mind that .US, which is the country code for the United States, has been in operation for 30 years, launching on February 15, 1985
.XYZ launched on June 2, 2014.
.US had basically a 28 1/2 year head start on .XYZ and now finds itself some 60,000 domain names behind .XYZ.
.XYZ is now the 6th most registered Top Level Domain name.