The population of Romania in 2003 was estimated by the United Nations at 22,334,000, which placed it as number 49 in population among the 193 nations of the world. In that year approximately 14% of the population was over 65 years of age, with another 18% of the population under 15 years of age. There were 95 males for every 100 females in the country in 2003. According to the UN, the annual population growth rate for 2000–2005 is -0.23%, with the projected population for the year 2015 at 21,649,000. The population density in 2002 was 94 per sq km (243 per sq mi).
It was estimated by the Population Reference Bureau that 56% of the population lived in urban areas in 2001. The capital city, Bucharest, had a population of 2,054,000 in that year. Other major cities and their population estimates were Brasov, 323,736; Constanta, 350,581; Timisoara, 334,115; Iasi, 344,425; Cluj-Napoca, 328,602; Galati, 325,788; Craiova, 303,959; Braila, 234,110; and Ploiesti, 252,715. According to the United Nations, the urban population growth rate for 2000–2005 was 0.2%.