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| Year | Pop. | ±% p.a. |
|---|---|---|
| 1901 | 19,252,630 | — |
| 1911 | 20,902,616 | +0.83% |
| 1921 | 21,628,518 | +0.34% |
| 1931 | 23,472,099 | +0.82% |
| 1941 | 26,267,507 | +1.13% |
| 1951 | 30,119,047 | +1.38% |
| 1961 | 33,686,953 | +1.13% |
| 1971 | 41,199,168 | +2.03% |
| 1981 | 48,408,077 | +1.63% |
| 1991 | 55,858,946 | +1.44% |
| 2001 | 62,405,679 | +1.11% |
| 2011 | 72,147,030 | +1.46% |
| source:[1] | ||
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| Life in Tamil Nadu |
|---|
At the 2011 Census of India, the population of the state of Tamil Nadu was 72,147,039, increasing from 62.4 million in 2001. There were 36,137,975 males and 36,009,064 females, with a sex ratio of 996 females per 1000 males. Its literacy rate was 80.09%. 10.51% of the population was below seven years old, and it had a population density of 555.[citation needed]