The success of business incubators can be difficult to measure. There are many different types of business incubators, each with their own goals and target industries. Additionally, the success of an incubator depends on the quality of the businesses that it accepts, the resources and support that it provides, and the strength of the local entrepreneurial ecosystem.
That being said, there are some general trends that suggest that business incubators can be successful. For example, a study by the National Business Incubation Association found that 70% of businesses that graduated from an incubator were still in operation after five years. Additionally, businesses that go through an incubator tend to have higher revenues and create more jobs than businesses that don't.
There are also a number of well-known success stories from businesses that have gone through incubators. For example, Dropbox, Reddit, and Airbnb were all incubated at Y Combinator, one of the most prestigious and successful incubators in the world.
All in all, business incubators can be a valuable resource for entrepreneurs, particularly those in the early stages of starting their business. While there is no guarantee of success, the resources and support that an incubator can provide can give businesses a better chance of succeeding.