| Año | Población |
|---|---|
| 2000 | 5,528,000 |
| 2001 | 5,627,000 |
| 2002 | 5,724,000 |
| 2003 | 5,820,000 |
| 2004 | 5,914,000 |
| 2005 | 6,007,000 |
| 2006 | 6,096,000 |
| 2007 | 6,184,000 |
| 2008 | 6,271,000 |
| 2009 | 6,356,000 |
| 2010 | 6,441,000 |
| 2011 | 6,527,000 |
| 2012 | 6,612,000 |
| 2013 | 6,697,000 |
| 2014 | 6,781,000 |
| 2015 | 6,863,000 |
| 2016 | 6,944,000 |
Fuente: World Bank
