I have grouped Internet usage and adoption statistics on my sister site Marketing Online. These Internet statistics include UK, European and global data.

• View Internet adoption and usage statistics
• View the best sources for UK, European and Global Internet statistics and trends

The Office of National Statistics is a good source for these, but it can be difficult to find the Internet adoption statistics within the sites.

You can try the Internet Connectivity page which summarises the most recent data

• View Internet Usage Statistics
• Oxford Internet Survey (OxIS) Annual UK Internet research and statistics from the Oxford Internet Institute is designed to offer detailed insights into the influence of the Internet on society in Britain including “Internet disengagement”.