Subdomains and websites networks on Wholinks.org
Domain Counts & Internet Statistics | Whois Source
Country-wise Total Domains
Domain Counts provided by Domain Worldwide
HosterStats.com: Domain Registration Statistics And Historical DNS Database
Daily DNS Changes & Web Hosting Activity - DailyChanges.com
220 Million Top-Level Domains: A Breakdown | Practical Ecommerce
Usage Statistics of Top Level Domains for Websites, May 2015
RegistrarStats - TLD Statistics, Domain research tools
Majority of Businesses with Fewer Than Five Employees Don't Have a Website: GoDaddy Report
ICANN Research - TLD DNSSEC Report
Impressive domain name stats from Escrow.com | Domain Name Wire
Parked Domain providers Web Usage Statistics
• Usage of top level domains for websites 2015 | Statistic
Verisign Report May Indicate That The Number Of Parked Domains Looks To Be In Significant Decline
What percentage of domain names have active websites running?
What is the percentage of owned domains that are parked (rather than running a real website)?
Rightside Domains Across the Globe - Rightside Blog
Daily DNS Changes & Web Hosting Activity - DailyChanges.DomainTools.com
Domain name registration's statistics