Columbia, South Carolina
Columbia is the capital and second largest city of the U.S. state of South Carolina, with a population estimate of 134,309 as of 2016. The city serves as the county seat of Richland County, and a portion of the city extends into neighboring Lexington County. It is the center of the Columbia metropolitan statistical area, which had a population of 767,598 as of the 2010 United States Census, growing to 817,488 by July 1, 2016, according to 2015 U.S. Census estimates. The name "Columbia" is a poetic term used for the United States, originating from the name of Christopher Columbus.
Colombia
With an estimated 49 million people in 2017, Colombia is the third-most populous country in Latin America, after Brazil and Mexico. At the beginning of the 20th century, Colombia's population was approximately 4 million. Since the early 1970s Colombia has experienced steady declines in its fertility, mortality, and population growth rates. The population growth rate for 2016 is estimated to be 0.9%. The total fertility rate was 1.9 births per woman in 2015. About 26.8% of the population were 15 years old or younger, 65.7% were between 15 and 64 years old, and 7.4% were over 65 years old. The proportion of older persons in the total population has begun to increase substantially. Colombia is projected to have a population of 50.2 million by 2020 and 55.3 million by 2050.