Another significant development is that, just like Jim Ratcliffe, the majority of entrants are self-made and not relying on family money - only 43% of the richest people in Britain had done so in 1989.
Jim Ratcliffe, 65, chief executive of Ineos, topped the Sunday Times Rich List with a fortune of £21.05 billion, leapfrogging his way from 18th place previous year.
The chemicals entrepreneur - whose firm is now locked in a legal battle with the Scottish government over fracking - has been described as "publicity shy" by the Sunday Times. Of the 1,000 people on the list, 145 are billionaires.
Ineos' director Andy Currie and finance director John Reece also joined their colleague in the top 20.
Together, these 1,000 richest individuals and families have a combined wealth of £724 billion (€819 billion), a 10% rise on last year's tally.
Lightning no match for Capitals in opening game of conference final
Steven Stamkos and Ondrej Chambers gave hope "Lightning" comeback, but the visitors did not allow the escalation of the situation. Andrei Vasilevskiy is one of the favorites to win the Vezina Trophy this season, but the Capitals overwhelmed him in Game 1 .
Queen Elizabeth II topped the first five Rich Lists, but a decision was taken to exclude the value of the Royal Art Collection.
The highest ranked female on the list, Charlene de Carvalho-Heineken, who runs the famous Heineken brewery, has seen her wealth rocket by nearly 2.5 billion US dollars in the a year ago to more than 15 billion USA dollars.
The Mumbai-born Hinduja siblings Sri, 82, and Gopi, 78, who control a vast range of business investments under the Hinduja Group, spanning oil and gas, IT, energy, media, banking, property and healthcare, are second on the list with a £20.6bn fortune.
Together with her husband, financier Michel de Carvalho, she is at the head of a £11.1 billion (€12.5 billion) fortune and has been ranked 6th on the list.
The full Rich List, now in its 30th year, will be published tomorrow in the Sunday Times.
Celtics star calls out LeBron before Game 1 Video
It's the third consecutive season that James and his Cavaliers have eliminated Toronto from the playoffs. A lot of people are saying, 'How can they succeed like this without Gordon Hayward?' I've heard that .
He said: "Britain is changing".
'Aristocrats and inherited wealth has been elbowed out of the list and replaced by an army of self-made entrepreneurs.
'Britain's rich are getting richer, but the cast of Britain's 1,000 richest people is an ever-changing and increasingly diverse cast of people'.
The list authors said the Greens' fortunes were revised down owing to concerns about their Arcadia high street fashion empire, which includes Burton, Miss Selfridge and Topshop.
41 dead after dam bursts in Kenya
The dam, owned by Mansukul Patel , had started showing cracks and water had begun to leak, before its banks broke. The government will investigate the structural integrity of all the country's dams to ensure they are safe.