Aura, Finland

Aura () is a municipality of Finland. The name derives from the river Aura and the plough (aura in Finnish) reminiscent shape of the municipality. The municipality was established in 1917 from parts of Lieto and Pöytyä.
It is part of the Varsinais-Suomi region. The municipality has a population of () and covers an area of of which is water. The population density is .
The municipality is unilingually Finnish.
Geography.
Villages.
In 1967, Aura had 23 legally recognized villages "(henkikirjakylät)":
Demographics.
In 2020, 19.0% of the population of Aura was under the age of 15, 60.2% were aged 15 to 64, and 20.8% were over the age of 65. The average age was 42.0, under the national average of 43.4 and regional average of 44.0. Speakers of Finnish made up 96.8% of the population and speakers of Swedish made up 0.6%, while the share of speakers of foreign languages was 2.6%. Foreign nationals made up 2.1% of the total population. 
The chart below, describing the development of the total population of Aura from 1975-2020, encompasses the municipality's area as of 2021.
Urban areas.
In 2019, out of the total population of 3,941, 2,705 people lived in urban areas and 1,166 in sparsely populated areas, while the coordinates of 70 people were unknown. This made Aura's degree of urbanization 69.9%. The urban population in the municipality was divided between two urban areas as follows:
Economy.
In 2018, 5.2% of the workforce of Aura worked in primary production (agriculture, forestry and fishing), 34.9% in secondary production (e.g. manufacturing, construction and infrastructure), and 57.6% in services. In 2019, the unemployment rate was 5.7%, and the share of pensioners in the population was 23.7%. 
The ten largest employers in Aura in 2019 were as follows: