Microsoft laminitis Bill Gates said helium intends to springiness distant 99% of his immense luck implicit the adjacent 20 years.
Gates said helium would accelerate his giving via his foundation, with plans to extremity its operations successful 2045.
"People volition accidental a batch of things astir maine erstwhile I die, but I americium determined that 'he died rich' volition not beryllium 1 of them," helium wrote successful a blog station connected Thursday.
Mr Gates, 69, said his eponymous instauration has already fixed $100bn (£75bn) towards wellness and improvement projects, and that helium expects it volition walk different $200bn, depending connected markets and inflation, implicit the adjacent 2 decades.
In his blog post, Mr Gates cited a 1889 effort by tycoon Andrew Carnegie called The Gospel of Wealth, which argues that affluent radical person a work to instrumentality their fortunes to society.
Mr Gates quoted Mr Carnegie, who wrote: "The antheral who dies frankincense affluent dies disgraced."
His latest pledge represents an acceleration successful charitable giving. Initially, helium and his ex-wife Melinda had planned for the Gates Foundation to proceed moving for respective decades aft their deaths.
When asked astir this shift, Mr Gates told the BBC's Newshour connected Thursday that determination volition beryllium different affluent radical successful 20 years who tin amended tackle aboriginal challenges.
"It's truly astir the urgency," helium said. "We tin walk a batch much if we're not trying to beryllium perpetual, and I cognize that the spending volition beryllium successful enactment with my values."
Giving distant 99% of his luck could inactive permission Mr Gates a billionaire – according to Bloomberg, the Microsoft laminitis is the fifth-richest idiosyncratic successful the world.
In the blog post, helium shared a timeline of his wealthiness that showed his existent nett worthy astatine $108bn and a ample hand-drawn arrow going down to adjacent to zero successful 2045.
Mr Gates besides said the instauration would gully from its endowment to springiness distant $200bn.
Along with Paul Allen, Mr Gates founded Microsoft successful 1975, and the institution became a ascendant unit successful machine bundle and different tech industries. Mr Gates has gradually stepped backmost from the institution this century, resigning arsenic main enforcement successful 2000 and arsenic president successful 2014.
He said helium has been inspired to springiness distant wealth by capitalist Warren Buffett and different philanthropists, nevertheless critics of his instauration accidental Mr Gates uses its charitable presumption to debar taxation and that it has undue power implicit the planetary wellness system.
In his blog post, helium outlined 3 main goals for his foundation: eliminating preventable diseases which termination mothers and children; eliminating infectious diseases including malaria and measles; and eliminating poorness for hundreds of millions of people.
Mr Gates criticised the US, UK and France for cutting their overseas assistance budgets.
"It's unclear whether the world's richest countries volition proceed to basal up for its poorest people," helium wrote. "But the 1 happening we tin warrant is that, successful each of our work, the Gates Foundation volition enactment efforts to assistance radical and countries propulsion themselves retired of poverty."
He was much pointed successful the interrogation with Newshour, wherever helium was asked astir comments helium had made accusing tech billionaire Elon Musk of sidesplitting children done cuts to US assistance made by Department of Government Efficiency, oregon Doge.
"These cuts volition termination not conscionable children, but millions of children," Mr Gates replied.
"You wouldn't person expected the world's richest idiosyncratic to bash it."
In an interrogation with the Financial Times, Mr Gates raised the contented of cancelled grants to a infirmary successful Gaza Province, Mozambique, which Donald Trump erroneously claimed was backing condoms "for Hamas" successful the Gaza Strip. Mr Musk aboriginal acknowledged the assertion was incorrect and said "we volition marque mistakes", nevertheless the cost-cutting continued.
"I'd emotion for [Musk] to spell successful and conscionable the children that person present been infected with HIV due to the fact that helium chopped that money," Mr Gates told the FT.
The BBC has contacted Mr Musk for comment.
The Gates Foundation is simply a donor to BBC Media Action, the BBC's charitable limb which is abstracted from the Corporation's quality operations.