The following sites provide ongoing statistics about the adoption of IPv6:

• Statistics related to participants in the World IPv6 Launch on June 6, 2012
• IPv6 statistics from APNIC (measured via users’s computers)
• Daily IPv6 Statistics at Vyncke.org
• Lars Eggert’s IPv6 Deployment Trends – data from October 2007 to the present
• Google’s IPv6 Statistics page
• Cisco’s IPv6 Lab Statistics page, updated daily with an interactive map
• Akamai’s IPv6 Statistics page

Sites are available for IPv6 statistics for specific countries:

• Canada (CA) – IPv6 Deployment in Canada
• Czech Republic (CZ) – CZ.NIC publishes statistics about DNS queries made over IPv6
• New Zealand (NZ) – New Zealand IPv6 Status Survey
• Romania – IPv6 statistics from RCS & RDS, one of Romania’s largest network operators.
• United States (USA) – US NIST IPv6 and DNSSEC Statistics– excellent set of charts and lists related to IPv6 and DNSSEC deployment within the US government as well as estimates for industry and universities.

Do you know of additional sites we should consider adding here?  If so, please send them to us.