The population of Guyana in 2003 was estimated by the United Nations at 765,000, which placed it as number 155 in population among the 193 nations of the world. In that year approximately 5% of the population was over 65 years of age, with another 32% of the population under 15 years of age. There were 94 males for every 100 females in the country in 2003. According to the UN, the annual population growth rate for 2000–2005 is0.24%, with the projected population for the year 2015 at 761,000. The population density in 2002 was 3 per sq km (9 per sq mi). More than 90% of the people live on 5% of the land along the Atlantic coast; the interior is practically uninhabited.
It was estimated by the Population Reference Bureau that 38% of the population lived in urban areas in 2001. The capital city and chief port, Georgetown, had a population of 275,000 in that year. Linden had an estimated 35,000 inhabitants, and New Amsterdam had about 25,000. According to the United Nations, the urban population growth rate for 2000–2005 was 2.3%.