The population of Austria in 2003 was estimated by the United Nations at 8,116,000, which placed it as number 91 in population among the 193 nations of the world. In that year approximately 15% of the population was over 65 years of age, with another 17% of the population under 15 years of age. There were 96 males for every 100 females in the country in 2003. According to the UN, the annual population growth rate for 2000–2005 is 0.05%, with the projected population for the year 2015 at 8,058,000. The population density in 2002 was 97 per sq km (252 per sq mi). The majority of the population lives in the lowland regions and river valleys. There has been a recent influx of foreign workers in many of the urban regions.
It was estimated by the Population Reference Bureau that 65% of the population lived in urban areas in 2001. The capital city, Vienna, had a population of 2,068,000 in that year. Other large cities include Graz, 226,424; Linz, 186,298; Salzburg, 144,816; and Innsbruck, 113,826. According to the United Nations, the urban population growth rate for 2000–2005 was 0.5%.