Austria population. The total fertility rate (TFR) in 2013 was estimated at 1.42 children born per woman, which is lower than the replacement rate of 2.1. In 2015, 42.1% of births were to unmarried women. The life expectancy in 2016 was estimated at 81.5 years (78.9 years male, 84.3 years female). Standard Austrian German is Austria's official language, though used primarily just in education, publications, announcements and websites. It is mostly identical to the Standard German of Germany but with some vocabulary differences. The German language is standardised between countries of German mother tongue, i.e., Germany, Austria, Switzerland and Liechtenstein, as
Austria standard form is the country's official language. Other local official languages are Hungarian, Burgenland Croatian, and Slovene. Austria is a federal republic with a parliamentary representative democracy comprising nine federated states. The capital and largest city, with a population exceeding 1.8 million, is Vienna. Other major urban areas of Austria include Graz, Linz, Salzburg and Innsbruck. Austria is consistently ranked as one of the richest countries in the world by per capita GDP terms. The country has developed a high standard of living and in 2018 was ranked 20th in the world for its Human Development Index. The republic declared