population pyramid, also called an “age-sex pyramid“, is a graphical illustration that shows the distribution of various age groups in a population (typically that of a country or region of the world), which forms the shape of a pyramid when the population is growing.  This tool can be used to visualise the age of a particular population.  The following pyramids can be used to compare two different areas and illustrate how those population have changed over the period of the Estimates. Scroll down for an interactive map.

ONS interactive map: Population change and components of change, mid-2019 and mid-2020, local authorities in the UK