El Salvador's population was  in , compared to 2,200,000 in 1950. In 2010 the percentage of the population below the age of 15 was 32.1%, 61% were between 15 and 65 years of age, while 6.9% were 65 years or older. The capital city of San Salvador has a population of about 2.1 million people. An estimated 42% of El Salvador's population live in rural areas. Urbanization has expanded at a phenomenal rate in El Salvador since the 1960s, with millions moving to the cities and creating associated problems for urban planning and services.