The population of Iceland in 2003 was estimated by the United Nations at 290,000, which placed it as number 169 in population among the 193 nations of the world. In that year approximately 12% of the population was over 65 years of age, with another 23% of the population under 15 years of age. There were 101 males for every 100 females in the country in 2003. According to the UN, the annual population growth rate for 2000–2005 is 0.79%, with the projected population for the year 2015 at 311,000. The population density in 2002 averaged 3 per sq km (7 per sq mi). Iceland is one of the least densely populated countries in the world. The interior of the country is largely uninhabited.
It was estimated by the Population Reference Bureau that 93% of the population lived in urban areas in 2001. The capital and largest city, Reykjavik, had a population of 168,000 in that year. This accounts for more than half of the nation's entire population. The next largest towns are Akureyri (14,436), on the north coast; Hafnarfjördur (15,623), about 10 km (6 mi) from Reykjavík; and Kópavogur (16,677), south of Reykjavík According to the United Nations, the urban population growth rate for 2000–2005 was 0.9%.