Municipal elections were held on 21 March 2018 in 335 municipalities in the Netherlands. This election determined the composition of the municipal councils for the following four years. The election coincided with the Intelligence and Security Services Act referendum.

BIJ1, formerly known as Article 1, is a political party in the Netherlands. It was founded in Amsterdam in 2016 by Sylvana Simons, a television personality who was formerly connected to another party, Denk. Edson Olf has led the party since September 2023.