| Year | World Bank | IMF | UNO | INEGI |
| 1993 | 1,570,147 | 1,570,147 | 1,402,748 | 1,570,147 |
| 1994 | 1,779,754 | 1,779,754 | 1,585,840 | 1,779,754 |
| 1995 | 2,206,943 | 2,206,943 | 2,051,332 | 2,206,943 |
| 1996 | 3,020,033 | 3,020,033 | 2,820,217 | 3,020,033 |
| 1997 | 3,805,272 | 3,805,272 | 3,544,597 | 3,805,272 |
| 1998 | 4,586,366 | 4,586,366 | 4,295,078 | 4,586,366 |
| 1999 | 5,539,866 | 5,539,866 | 5,130,760 | 5,539,866 |
| 2000 | 6,464,302 | 6,464,302 | 6,132,389 | 6,464,302 |
| 2001 | 6,770,398 | 6,770,398 | 6,487,465 | 6,770,398 |
| 2002 | 7,160,499 | 7,160,499 | 6,993,815 | 7,160,499 |
| 2003 | 7,695,624 | 7,695,624 | 7,696,035 | 7,695,624 |
| 2004 | 8,693,240 | 8,693,240 | 8,690,254 | 8,693,240 |
| 2005 | 9,441,350 | 9,441,350 | 9,424,602 | 9,441,350 |
| 2006 | 10,520,793 | 10,538,115 | 10,520,793 | 10,538,115 |
| 2007 | 11,399,472 | 11,403,263 | 11,399,472 | 11,403,263 |
| 2008 | 12,256,864 | 12,256,863 | 12,256,864 | 12,256,863 |
| 2009 | 12,072,542 | 12,093,890 | 12,072,542 | 12,093,890 |
| 2010 | 13,266,858 | 13,282,061 | 13,266,858 | 13,282,061 |
| 2011 | 14,527,337 | 14,550,014 | 14,527,337 | 14,550,014 |
| 2012 | 15,599,271 | 15,627,713 | 15,600,077 | 15,626,907 |
| 2013 | 16,077,059 | 16,121,442 | 16,082,510 | 16,116,130 |
| 2014 | 17,209,663 | 17,050,555 | 17,009,379 | 17,251,612 |