NPO 1 is the first national television station in the Netherlands. It launched on 2 October 1951. It provides public broadcasting and currently exists next to sister channels NPO 2 and NPO 3. Several broadcasting organisations of the Publieke Omroep deliver a wide variety of programs for the channel, usually for larger audiences. In 2018, it was the most viewed channel in the Netherlands, reaching a market share of 22.0%.