According to the recent 2019/2020 Global Entrepreneurship Monitor (GEM) Family Entrepreneurship Report produced and released by Babson College, 75% of entrepreneurs and 81% of established business owners co-own and/or co-manage their businesses with family members. Additionally, 62% of established business owners state that the majority of their current employees are members of their family. 

Check out the study on the website of Babson College.