Prime membership gives customers free one-day delivery and access to one-hour delivery in London and Birmingham. It also includes Prime’s film and TV content, books, music, access to Prime Instant Video and unlimited cloud photo storage.
The user report released this week said that seven million of the 14 million new US sign-ups in 2015 were added in the last quarter of the year. This period included Black Friday. The results come ahead of Amazon’s earnings report this week.
Amazon confimed it has millions of Prime members in the UK, but declined to comment further.