Colombia is the third-most populous country in Latin America, after Brazil and Mexico. It is also home to the fourth-largest number of Spanish speakers in the world after Mexico, the United States, and Spain. It is slightly ahead of Argentina. The population increased at a rate of 1.9% between 1975 and 2005, predicted to drop to 1.2% over the next decade. Colombia is projected to have a population of 50.7 million by 2015. These trends are reflected in the country’s age profile. In 2005 over 30% of the population was under 15 years old, compared to just 5.1% aged 65 and over.
Colombia Population: 45,925,397 (45.9 million)
| City | City Population | ||||
| Bogota | 6,680,500 | ||||
| Cali | 2,203,800 | ||||
| Medellin | 1,932,400 | ||||
| Barranquilla | 1,298,400 | ||||
| Cartagena | 853,900 | ||||
| Cucuta | 657,100 | ||||
| Bucaramanga | 542,400 | ||||
| Ibague | 401,400 | ||||
| Pereira | 386,900 | ||||
| Santa Marta | 372,200 | ||||
| Bello | 355,000 | ||||
| Pasto | 354,000 | ||||
| Manizales | 342,900 | ||||
| Neiva | 318,600 | ||||
| Soledad | 314,200 | ||||
| Armenia | 300,800 | ||||
| Villavicencio | 290,400 | ||||
| Soacha | 284,100 | ||||
| Valledupar | 279,900 | ||||
| Monteria | 253,900 | ||||
| Itagui | 244,400 | ||||
| Sincelejo | 237,000 | ||||
| Palmira | 233,100 | ||||
| Buenaventura | 230,700 | ||||
| Floridablanca | 229,000 | ||||
| Popayan | 207,000 | ||||
| Barrancabermeja | 185,900 | ||||
| Dos Quebradas | 167,400 | ||||
| Tulua | 159,700 | ||||
| Envigado | 143,500 | ||||
| Cartago | 132,900 | ||||
| Girardot | 120,100 | ||||
| Maicao | 117,500 | ||||
| Florencia | 115,400 | ||||
| Buga | 114,300 | ||||
| Sogamoso | 113,900 | ||||
| Tunja | 109,500 |



