The percentage of businesses (both for-profit and non-profit) that report their establishment as being four years old or less. The age of the business is determined by the year that the first year they appeared in the business database. A business that has been in operation more than four years has a greater likelihood of remaining open for a longer period of time. Source: InfoUSA Years Available: 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019