| Año | Población |
|---|---|
| 2000 | 4,101,000 |
| 2001 | 4,180,000 |
| 2002 | 4,257,000 |
| 2003 | 4,335,000 |
| 2004 | 4,416,000 |
| 2005 | 4,502,000 |
| 2006 | 4,596,000 |
| 2007 | 4,696,000 |
| 2008 | 4,800,000 |
| 2009 | 4,906,000 |
| 2010 | 5,011,000 |
| 2011 | 5,115,000 |
| 2012 | 5,219,000 |
| 2013 | 5,322,000 |
| 2014 | 5,424,000 |
| 2015 | 5,527,000 |
| 2016 | 5,630,000 |
Fuente: World Bank
