Adele's 21 was the top-selling album globally by a UK act for a second successive year in 2012 after selling nearly 10 million more copies overseas.

The XL release tops an exclusive Music Week chart ranking albums by UK-signed acts according to how many copies they sold in the 2012 calendar year outside the UK.

Adele's second album also led the same chart in 2011, while the following year surpassed 25 million sales in total globally to make it the ...