Doctor Who: The Husbands of River Song, had an official rating of 7.69 million viewers.
The final rating includes those who watched the programme within one week of transmission. It is an increase of nearly 2 million on the initially reported figure.
Christmas Day saw some impressive timeshift figures. The top programme of the week was the final episode of ITV's Downton Abbey, which increased its audience by four million to finish with an official audience of 10.92 million.
A substantial timeshift was also achieved by the BBC's highest rated programme, Mrs Brown's Boys, which finished with 9.49 million watching. Other BBC programmes doing well included Call the Midwife with 9.3 million, Stick Man with 9.28 million, and Strictly Come Dancing with 8.54 million. The Boxing Day showing of the Agatha Christie mystery And Then There Were None also scored highly with 8.61 million viewers.
The Queen's Christmas Broadcast to the Commonwealth had 6.35 million watching on BBC One but, once ITV's figures were added, it just edged above Doctor Who with 7.76 million viewers.
Doctor Who was 8th for the week and 7th for Christmas Day. It achieved higher ratings than the ubiquitous soaps Coronation Street, EastEnders and Emmerdale.
Since the series returned in 2005 there have been eleven Christmas day episodes, the most successful being the 2007 episode starring Kylie Minogue, Voyage of the Damned.
In the United States The Husbands of River Song achieved a 1.242m Live+ SD Rating on BBC America.