There is no one answer to this question as the title of "world's No 1 entrepreneur" is not an official title or accolade. However, there are a few people who could be considered for this title, depending on how you measure success.
Some of the most successful entrepreneurs in the world include Bill Gates, Steve Jobs, Jeff Bezos, and Mark Zuckerberg. These individuals have all founded major companies that have had a significant impact on the world. Gates and Jobs, for example, revolutionized the personal computer industry, while Bezos has been instrumental in the growth of e-commerce. Zuckerberg, meanwhile, has helped connect billions of people around the world through Facebook.
There are many other entrepreneurs who have also had a significant impact on the world, but these are some of the most successful and well-known.