| Three-year Moving Average of Natural Growth Rate (Rural/Urban) in Tamil Nadu (1971-1973 to 2011-2013) | |||
| Period | Total | Rural | Urban |
| 1971-73 | 16.8 | 16.5 | 17.4 |
| 1972-74 | 16.2 | 16.1 | 16.4 |
| 1973-75 | 15.7 | 15.4 | 16.4 |
| 1974-76 | 15.7 | 15.3 | 16.6 |
| 1975-77 | 16.0 | 15.4 | 17.3 |
| 1976-78 | 16.1 | 15.5 | 17.4 |
| 1977-79 | 16.0 | 15.4 | 17.4 |
| 1978-80 | 16.5 | 16.2 | 17.3 |
| 1979-81 | 16.6 | 16.5 | 16.8 |
| 1980-82 | 16.4 | 16.3 | 16.5 |
| 1981-83 | 16.3 | 15.9 | 17.0 |
| 1982-84 | 16.6 | 16.0 | 17.8 |
| 1983-85 | 16.2 | 15.5 | 17.6 |
| 1984-86 | 15.6 | 14.7 | 17.2 |
| 1985-87 | 14.5 | 13.6 | 16.3 |
| 1986-88 | 14.0 | 13.2 | 15.5 |
| 1987-89 | 14.0 | 13.2 | 15.3 |
| 1988-90 | 13.7 | 13.0 | 14.9 |
| 1989-91 | 13.1 | 12.4 | 14.5 |
| 1990-92 | 12.4 | 11.9 | 13.7 |
| 1991-93 | 11.8 | 11.1 | 13.3 |
| 1992-94 | 11.6 | 11.0 | 12.9 |
| 1993-95 | 11.6 | 11.1 | 12.6 |
| 1994-96 | 11.7 | 11.4 | 12.1 |
| 1995-97 | 11.6 | 11.4 | 12.0 |
| 1996-98 | 11.1 | 10.8 | 11.6 |
| 1997-99 | 11.0 | 10.7 | 11.5 |
| 1998-00 | 11.1 | 10.9 | 11.5 |
| 1999-01 | 11.4 | 11.2 | 11.7 |
| 2000-02 | 11.2 | 11.0 | 11.6 |
| 2001-03 | 11.0 | 10.6 | 11.7 |
| 2002-04 | 10.4 | 10.2 | 10.9 |
| 2003-05 | 9.8 | 9.6 | 10.3 |
| 2004-06 | 9.2 | 8.9 | 9.6 |
| 2005-07 | 8.8 | 8.3 | 9.5 |
| 2006-08 | 8.6 | 8.1 | 9.4 |
| 2007-09 | 8.6 | 8.0 | 9.4 |
| 2008-10 | 8.5 | 7.9 | 9.3 |
| 2009-11 | 8.5 | 7.9 | 9.2 |
| 2010-12 | 8.4 | 7.8 | 9.1 |
| 2011-13 | 8.4 | 7.7 | 9.2 |
