Tamil Nadu
District-Level Data & Statistics
Population
6.9 Crore
5.8% of India
Districts
38
Area
1,31,454 km²
Literacy Rate
79.7%
National: 72.9%
Sex Ratio
997
National: 943
Tamil Nadu is India's 6th most populous state with a population of 6.9 Crore spread across 38 districts covering 1,31,454sq km. The state's literacy rate stands at 79.7%, above the national average of 72.9%. With a sex ratio of 997 females per 1,000 males, it is above the national figure of 943.
Demographics
IndicatorStateNational
Population Density528 /km²▲379 /km²
Sex Ratio997▲943
Literacy Rate79.7%▲72.9%
SC Population20.2%▲16.6%
ST Population1.1%▼8.7%
Worker Participation45.8%▲39.8%
Health & Development
IndicatorStateNational
Child Stunting25.7%▼33.2%
Child Wasting14.6%▼18.4%
Underweight Children22.1%▼29.1%
Child Anaemia58.2%▼65.2%
Women Anaemia54.2%▼55.3%
Full Vaccination89.2%▲77.4%
Institutional Delivery99.6%▲88.5%
Improved Sanitation71.6%▼72.4%
Clean Cooking Fuel79.4%▲54.6%
Health Insurance68.0%▲41.3%
Safe Drinking Water98.4%▲93.6%
Electricity Access99.3%▲97.0%
Women & Gender
IndicatorStateNational
Child Marriage12.8%▼20.6%
Teen Pregnancy6.4%▼6.6%
Female Literacy Gap14.1%▼16.6%
Female Work Gap25.9%▲23.9%
Economy & Infrastructure
IndicatorStateNational
MSME Density58.4 per 1k pop▲42.6 per 1k pop
Total MSMEs (avg per district)1.1 Lakh▲61.7k
Manufacturing Share27.5%▲24.9%
Governance
IndicatorStateNational
Pending Cases2431 per lakh▼3585 per lakh
Cases Delayed (%)48.1%▲35.5%
Monthly Disposal Ratio1.02▲0.81
Safety & Crime
IndicatorStateNational
SC/ST Atrocities4.5 per lakh▼17.4 per lakh
Domestic Violence5.0 per lakh▼12.6 per lakh
Child Abuse (POCSO)131.6 per lakh▲89.0 per lakh
Cyber Crime45.6 per lakh▼55.7 per lakh
Climate Vulnerability
IndicatorStateNational
Climate Vulnerability Index0.54▼0.56
District Rankings
Underweight Children
Highest
1. Karur36.3%
2. Sivaganga28.4%
3. Dindigul28.4%
4. Tiruchirappalli27.4%
5. Erode26.9%
Lowest
1. Theni18.8%
2. Coimbatore18.5%
3. Cuddalore18.0%
4. Namakkal15.7%
5. Kanniyakumari14.5%
Electricity Access
Highest
1. Thoothukudi100.0%
2. Chennai99.9%
3. Kanniyakumari99.8%
4. Tiruvallur99.8%
5. Kallakurichi99.7%
Lowest
1. Dindigul98.8%
2. Karur98.7%
3. The Nilgiris98.6%
4. Thiruvarur98.6%
5. Ariyalur98.2%
Small Business Density
Highest
1. Kancheepuram114.2
2. Chennai97.2
3. Coimbatore89.9
4. Tiruppur81.5
5. Chengalpattu80.8
Lowest
1. Ranipet42.4
2. Ramanathapuram42.3
3. Tiruvannamalai40.1
4. Perambalur39.5
5. Mayiladuthurai37.9
All Districts
38 districts
| District | Population | Literacy % | Sex Ratio | Density /km² |
|---|---|---|---|---|
| Chennai | 46,46,732 | 90.2% | 989 | 10,879 |
| Salem | 34,82,056 | 72.9% | 954 | 661 |
| Coimbatore | 34,58,045 | 84.0% | 1000 | 724 |
| Madurai | 30,38,252 | 83.5% | 990 | 804 |
| Tiruchirappalli | 27,22,290 | 83.2% | 1013 | 599 |
| Cuddalore | 26,05,914 | 78.0% | 987 | 699 |
| Tiruppur | 24,79,052 | 78.7% | 989 | 471 |
| Tiruvannamalai | 24,64,875 | 74.2% | 994 | 398 |
| Thanjavur | 24,05,890 | 82.6% | 1035 | 696 |
| Erode | 22,51,744 | 72.6% | 993 | 388 |
| Tiruvallur | 22,25,368 | 80.0% | 992 | 691 |
| Dindigul | 21,59,775 | 76.3% | 998 | 351 |
| Virudhunagar | 19,42,288 | 80.2% | 1007 | 448 |
| Krishnagiri | 18,79,809 | 71.5% | 958 | 367 |
| Kanniyakumari | 18,70,374 | 91.7% | 1019 | 1,078 |
| Viluppuram | 17,64,615 | 75.4% | 993 | 451 |
| Thoothukudi | 17,50,176 | 86.2% | 1023 | 359 |
| Namakkal | 17,26,601 | 74.6% | 986 | 501 |
| Kallakurichi | 16,94,258 | 68.2% | 980 | 512 |
| Tirunelveli | 16,92,296 | 86.7% | 1028 | 424 |
| Chengalpattu | 16,35,993 | 82.6% | 986 | 616 |
| Pudukkottai | 16,18,345 | 77.2% | 1015 | 342 |
| Vellore | 15,12,563 | 80.9% | 1016 | 672 |
| Dharmapuri | 15,06,843 | 68.5% | 946 | 334 |
| Tenkasi | 13,84,937 | 77.4% | 1017 | 478 |
| Ramanathapuram | 13,53,445 | 80.7% | 983 | 322 |
| Sivaganga | 13,39,101 | 79.9% | 1003 | 310 |
| Thiruvarur | 12,64,277 | 82.9% | 1017 | 548 |
| Theni | 12,45,899 | 77.3% | 991 | 426 |
| Tirupathur | 12,24,467 | 76.6% | 995 | 623 |
| Ranipet | 11,99,301 | 79.6% | 1007 | 650 |
| Kancheepuram | 11,56,680 | 81.0% | 988 | 680 |
| Karur | 10,64,493 | 75.6% | 1015 | 362 |
| Mayiladuthurai | 9,18,356 | 83.4% | 1029 | 773 |
| Ariyalur | 7,54,894 | 71.3% | 1015 | 386 |
| The Nilgiris | 7,35,394 | 85.2% | 1042 | 286 |
| Nagapattinam | 6,98,094 | 83.9% | 1021 | 496 |
| Perambalur | 5,65,223 | 74.3% | 1003 | 319 |
Explore Tamil Nadu on the Map
View all 38 districts with 85+ indicators on the interactive map
Launch Map →Frequently Asked Questions
What is the population of Tamil Nadu?
Tamil Nadu has a population of 6.9 Crore according to the Census 2011, making it India's 6th most populous state. The population is spread across 38 districts.
How many districts are in Tamil Nadu?
Tamil Nadu has 38 districts covering a total area of 1,31,454 sq km.
Which district in Tamil Nadu has the highest literacy rate?
Kanniyakumari has the highest literacy rate in Tamil Nadu at 91.7%, compared to the state average of 79.7%.
What is Tamil Nadu's sex ratio?
Tamil Nadu has a sex ratio of 997 females per 1,000 males, which is above the national average of 943.
Data Sources
Census 2011NFHS-5 (2019–21)NJDG (2024)CVI (2021)Ag Census 2015–16Udyam/MSME (2026)NCRB SLL (2022)eRaktKosh (2024)GOBARdhan (2026)Town Amenities (2011)
Get notified when new data drops for Tamil Nadu.