| Año | Población |
|---|---|
| 2000 | 4,010,000 |
| 2001 | 4,087,000 |
| 2002 | 4,163,000 |
| 2003 | 4,239,000 |
| 2004 | 4,319,000 |
| 2005 | 4,404,000 |
| 2006 | 4,490,000 |
| 2007 | 4,579,000 |
| 2008 | 4,673,000 |
| 2009 | 4,767,000 |
| 2010 | 4,861,000 |
| 2011 | 4,953,000 |
| 2012 | 5,045,000 |
| 2013 | 5,135,000 |
| 2014 | 5,225,000 |
| 2015 | 5,315,000 |
| 2016 | 5,405,000 |
Fuente: World Bank
