[1] The National League covers the top two levels of non-League football in England.
Sutton United were promoted on 23 April 2016 after a 2–0 win over Chelmsford City, returning to the league for the first time in sixteen years.
York City were relegated on 23 April after their 3–0 loss to Accrington Stanley, returning to the league for the first time since the 2011–12 season.
[4] Kidderminster Harriers and Welling United were relegated on the same day after defeats to Barrow and Chester.
On the final day of the season, Altrincham were relegated after losing 3–0 to Braintree Town, ending their two-year stay in the league.