Official language third with 26 countries and Spanish is fourth with 19 countries, Portuguese is the official language of 9 countries and German is official in 6. Some countries—like Australia, United Kingdom and the United States—have no official language recognized as such at national level. On the other extreme, Bolivia officially recognizes 37 languages, the most by any country in the world. Second to Bolivia is India with 23 official languages. South Africa is the country with the most official languages, all at equal status to one another, in the world. As Bolivia gives primacy to Spanish and India gives primacy to
States of Austria arable terrain. The other five states, in contrast, are located in the Alps and thus are comparatively unsuitable for agriculture. Their terrain is also relatively unfavourable to heavy industry and long-distance trade. Accordingly, the population of what now is the Republic of Austria has been concentrated in the former four states since prehistoric times. Austria's most densely populated state is the city-state of Vienna, the heart of what is Austria's only metropolitan area. Lower Austria ranks only fourth with regard to population density even though it contains Vienna's suburbs; this is due to large areas of land being predominantly agricultural.