There's no one answer to this question since there are many factors that contribute to a website's ranking. So, if you're looking to improve your website's ranking, you'll need to focus on building high-quality backlinks. How many backlinks you'll need to build depends on the competitiveness of your industry and the quality of your website. If you have a new website or a small business in a non-competitive industry, it won't take as many backlinks to rank high. However, if you have an established website in a competitive industry, it will take more work and more backlinks to achieve a top spot.