Austria
Austria's population was estimated to be nearly 9 million (8.83) in 2018 by the Statistik Austria. The population of the capital, Vienna, exceeds 1.8 million (2.6 million, including the suburbs), representing about a quarter of the country's population. It is known for its cultural offerings and high standard of living.
Religion in Austria
The Vienna Institute of Demography of the Austrian Academy of Sciences estimated in a study published in August 2017 the religious affiliation of Austria and Vienna as of 2016, and then they projected the situation to 2046, showing different immigration scenarios. In order to do this, the 2016 population has been reconstructed by applying projection techniques and using the information collected in the 2001 census as basis, and taking into account components of population change, namely migration, fertility, mortality, and religious mobility between 2001 and 2015. The results were the following:
Since the second half of the 20th century, the number of churchgoers and people identifying as Catholics and Protestants has dropped (cf. tables).