Tamil Nadu
District-Level Data & Statistics
Population
6.9 Crore
5.8% of India
Districts
38
Area
1,31,454 km²
Literacy Rate
71.5%
National: 63.0%
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 1,31,454 sq km. The state's literacy rate stands at 71.5%, above the national average of 63.0%. With a sex ratio of 997 females per 1,000 males, it is above the national figure of 943.
Demographics
Indicator
State
National
Population Density
528 /km²
▲
379 /km²
Sex Ratio
997
▲
943
Literacy Rate
71.5%
▲
63.0%
SC Population
20.2%
▲
16.6%
ST Population
1.1%
▼
8.7%
Worker Participation
45.8%
▲
39.8%
Health & Development
Indicator
State
National
Child Stunting
25.7%
▼
33.2%
Child Wasting
14.6%
▼
18.4%
Underweight Children
22.1%
▼
29.1%
Child Anaemia
58.2%
▼
65.2%
Women Anaemia
54.2%
▼
55.3%
Full Vaccination
89.2%
▲
77.4%
Institutional Delivery
99.6%
▲
88.5%
Improved Sanitation
71.6%
▼
72.4%
Clean Cooking Fuel
79.4%
▲
54.6%
Health Insurance
68.0%
▲
41.3%
Safe Drinking Water
98.4%
▲
93.6%
Electricity Access
99.3%
▲
97.0%
Women & Gender
Indicator
State
National
Child Marriage
12.8%
▼
20.6%
Teen Pregnancy
6.4%
▼
6.6%
Female Literacy Gap
0.1%
▼
0.1%
Female Work Gap
0.3%
▲
0.2%
Economy & Infrastructure
Indicator
State
National
MSME Density
58.4 per 1k pop
▲
42.6 per 1k pop
Total MSMEs (avg per district)
1.1 Lakh
▲
61.7k
Manufacturing Share
27.5%
▲
24.9%
Governance
Indicator
State
National
Pending Cases
2431 per lakh
▼
3585 per lakh
Cases Delayed (%)
0.5%
▲
0.4%
Monthly Disposal Ratio
1.02
▲
0.81
Safety & Crime
Indicator
State
National
SC/ST Atrocities
4.5 per lakh
▼
17.4 per lakh
Domestic Violence
5.0 per lakh
▼
12.6 per lakh
Child Abuse (POCSO)
131.6 per lakh
▲
89.0 per lakh
Cyber Crime
45.6 per lakh
▼
55.7 per lakh
Climate Vulnerability
Indicator
State
National
Climate Vulnerability Index
0.54
▼
0.56
District Rankings
Underweight Children
Highest
1. Karur
36.3%
2. Sivaganga
28.4%
3. Dindigul
28.4%
4. Tiruchirappalli
27.4%
5. Erode
26.9%
Lowest
1. Theni
18.8%
2. Coimbatore
18.5%
3. Cuddalore
18.0%
4. Namakkal
15.7%
5. Kanniyakumari
14.5%
Electricity Access
Highest
1. Thoothukudi
100.0%
2. Chennai
99.9%
3. Kanniyakumari
99.8%
4. Tiruvallur
99.8%
5. Kallakurichi
99.7%
Lowest
1. Dindigul
98.8%
2. Karur
98.7%
3. The Nilgiris
98.6%
4. Thiruvarur
98.6%
5. Ariyalur
98.2%
Small Business Density
Highest
1. Kancheepuram
114.2
2. Chennai
97.2
3. Coimbatore
89.9
4. Tiruppur
81.5
5. Chengalpattu
80.8
Lowest
1. Ranipet
42.4
2. Ramanathapuram
42.3
3. Tiruvannamalai
40.1
4. Perambalur
39.5
5. Mayiladuthurai
37.9
All Districts
38 of 38
| District | Population | Literacy % | Sex Ratio | Density /km² |
|---|---|---|---|---|
| Chennai | 46,46,732 | 81.3% | 989 | 10,879 |
| Salem | 34,82,056 | 65.6% | 954 | 661 |
| Coimbatore | 34,58,045 | 76.2% | 1000 | 724 |
| Madurai | 30,38,252 | 74.8% | 990 | 804 |
| Tiruchirappalli | 27,22,290 | 74.9% | 1013 | 599 |
| Cuddalore | 26,05,914 | 69.7% | 987 | 699 |
| Tiruppur | 24,79,052 | 71.0% | 989 | 471 |
| Tiruvannamalai | 24,64,875 | 66.0% | 994 | 398 |
| Thanjavur | 24,05,890 | 74.4% | 1035 | 696 |
| Erode | 22,51,744 | 66.3% | 993 | 388 |
| Tiruvallur | 22,25,368 | 71.4% | 992 | 691 |
| Dindigul | 21,59,775 | 68.6% | 998 | 351 |
| Virudhunagar | 19,42,288 | 72.0% | 1007 | 448 |
| Krishnagiri | 18,79,809 | 63.2% | 958 | 367 |
| Kanniyakumari | 18,70,374 | 82.8% | 1019 | 1,078 |
| Viluppuram | 17,64,615 | 67.1% | 993 | 451 |
| Thoothukudi | 17,50,176 | 77.1% | 1023 | 359 |
| Namakkal | 17,26,601 | 68.1% | 986 | 501 |
| Kallakurichi | 16,94,258 | 59.8% | 980 | 512 |
| Tirunelveli | 16,92,296 | 77.6% | 1028 | 424 |
| Chengalpattu | 16,35,993 | 73.9% | 986 | 616 |
| Pudukkottai | 16,18,345 | 68.6% | 1015 | 342 |
| Vellore | 15,12,563 | 72.3% | 1016 | 672 |
| Dharmapuri | 15,06,843 | 60.9% | 946 | 334 |
| Tenkasi | 13,84,937 | 69.3% | 1017 | 478 |
| Ramanathapuram | 13,53,445 | 72.3% | 983 | 322 |
| Sivaganga | 13,39,101 | 71.7% | 1003 | 310 |
| Thiruvarur | 12,64,277 | 74.9% | 1017 | 548 |
| Theni | 12,45,899 | 69.8% | 991 | 426 |
| Tirupathur | 12,24,467 | 67.6% | 995 | 623 |
| Ranipet | 11,99,301 | 71.0% | 1007 | 650 |
| Kancheepuram | 11,56,680 | 72.2% | 988 | 680 |
| Karur | 10,64,493 | 68.3% | 1015 | 362 |
| Mayiladuthurai | 9,18,356 | 74.9% | 1029 | 773 |
| Ariyalur | 7,54,894 | 63.7% | 1015 | 386 |
| The Nilgiris | 7,35,394 | 77.5% | 1042 | 286 |
| Nagapattinam | 6,98,094 | 75.3% | 1021 | 496 |
| Perambalur | 5,65,223 | 66.5% | 1003 | 319 |
Explore Tamil Nadu on the Map
View all 38 districts with 65+ 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 82.8%, compared to the state average of 71.5%.
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 2011
NFHS-5 (2019–21)
NJDG (2024)
CVI (2021)
Ag Census 2015–16
Udyam/MSME (2026)
NCRB SLL (2022)
eRaktKosh (2024)
GOBARdhan (2026)
Town Amenities (2011)