Boris Johnson has earned nearly £1m in a month to bring his earnings this parliament up to £2.3m.
His latest update to the MPs’ register of interests showed the former prime minister received £510,000 as an advance on his upcoming book.
Mr Johnson also earned £200,892.86 for a speech to Aditya Birla Management, an Indian conglomerate, and £246,406.57 from Bloomberg Singapore for a speech he made in the city.
He was paid £3,000 for an article he wrote for The Spectator magazine, which he said took an hour to write.
The additions brought his total earnings from 14 December to 13 January to £960,298.
The figures follow revelations in the Westminster Accounts investigation by Sky News and Tortoise, which showed that Mr Johnson had earned £1,064,785 from jobs outside his MP or prime minister salary since the beginning of this parliament, which started in December 2019.
This latest addition brings his total up to £2,328,964.
Mr Johnson also disclosed that he was given flowers and chocolate worth £785 by Sheikh Abdullah bin Zayed Al Nahyan, foreign minister of the United Arab Emirates.
His latest declaration is likely to make him the second-highest earning MP this parliament as he overtakes Sir Geoffrey Cox, but remains behind Theresa May, who declared nothing in the past month.
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Matt Hancock, the former health secretary, also submitted his earnings from his 18-day appearance on I’m A Celebrity… Get Me Out Of Here! – a decision that lost him the Conservative Party whip – to the latest update.
It revealed he earned £320,000 from the show, the equivalent of £17,777 a day.
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The income is on top of Mr Hancock’s salary of £84,144 for being an MP – Mr Johnson received that and an additional £79,936 when he was prime minister.
Mr Hancock was also paid £10,000 for a speech to Blemain Finance and £48,000 for an interview and serialisation of his book in the Daily Mail.