According to a report, the Tour De France for it's three stages in England was watched by 4.8 million which generated around £128 million for the national economy.
The Three Inspirational Days report which looks at the social and economic impact of hosting two stages in Yorkshire and a third stage from Cambridge to London.
The report claimed that survey information showed 4.8million people watched the race at the roadside - 3.3million in Yorkshire and 1.5million in Cambridgeshire, Essex and London.
Including the fact that people attended more than oen stage, the report said that around 3.5 million unique spectators watched the stages.
The report goes on to say that the Grand Depart generated more than £128million of economic benefit for the host areas overall, with the overall economic benefit figure expected to top £150million due to the effect of increased tourism and long term trade deals.
Minister for Sport and Tourism Helen Grant said: "The Tour de France in the UK was an incredible success and once again showcased how well we put on major sporting events in this country."
Chief executive of Welcome To Yorkshire, Gary Verity, who led the county's bid to secure the event, said: "We're absolutely delighted the event brought so much money to the county to help businesses big and small, and there are benefits for the county which are impossible to measure - the profile of Yorkshire around the world has never been higher and this will have a lasting impact on visitor numbers and businesses for years and years to come."