Jana Duggar is 25 years old, as of September 2015. People most prominently recognize Duggar for her presence on the reality TV show "19 Kids and Counting." She is the first daughter of Jim Bob and Michelle Duggar and the twin sister of John-David Duggar.
"19 Kids and Counting," which aired from Sept. 29, 2008, to May 19, 2015, focuses on a family of self-proclaimed Independent Baptists from Tontitown, Arkansas. Throughout the series, the family emphasizes the importance of modesty, purity and other values pertaining to its faith. In conjunction with their beliefs, the parents also abstain from birth control and homeschool each of their children.