A record 9.57 million taxpayers filed their 2015-16 returns online.
A record 9.57 million taxpayers used HMRC’s online self-assessment service to file their return, up 1% on last year when 9.24 million were filed electronically.
Some 10.8 million self-assessment tax returns were completed by the 31 January deadline. That is 93% of the total expected.
On 31 January, 768,905 returns were received, and the busiest time was between 4pm and 5pm, when 60,728 taxpayers clicked submit.