Donuts published their April domain trend report. The report covers the top premium domain names registered, most registered SLD keywords and other data.
From the report:
In the month of April 2021, SLDs registered on Donuts TLDs were 25% shorter and were hyphenated 5% less than .com domain registrations.
Top 20 Premium Domains Registered In The Month of April 2021
Ranked in order of retail sale price.