Referenced by 9 other explainers
A component is one of the parts that make up a key indicator. For example, population has four components: births, deaths, in-migration, and out-migration. Each one adds to or takes away from the total. Dwellings also has components such as occupancy, privacy, structure, and census dwellings. The components page shows how they all fit together.
Every component is also a marker. What makes it a component is one extra thing: it is used to calculate the forecast. The projection adds births, takes away deaths, and adjusts for migration each year. A marker that does not feed the projection is not a component. It still gives context, but the forecast does not use it.