Arts events refer to attendance at performing arts events organised and supported by the National Arts Council, Esplanade and the People's Association. Heritage events refer to attendance at outreach events organised by the National Heritage Board (NHB). These events include community outreach activities organised by NHB institutions and museums, including the Museum Outreach and the Singapore Heritage Fest. The figure excludes incidental viewership and events where attendance figures are unable to be determined. Non-ticketed heritage events may also include some performing arts elements.