State
Tamil Nadu
What changed before and after 2014?
Each chart shows only the years for which an official figure has been published. Topics with no figure for this state are left out.
Real GSDP growth
11.2%
2024–25, constant 2011-12 prices
Ministry of Statistics and Programme Implementation
GSDP, current prices
₹31.2 lakh cr
2024–25
Reserve Bank of India, Handbook of Statistics on Indian States (from NSO/MoSPI)
Economy
GSDP (current prices)
Reserve Bank of India, Handbook of Statistics on Indian States (from NSO/MoSPI)
₹31.2 lakh cr
2025
| Year | Value |
|---|---|
| 2014–15 | ₹10.7 lakh cr |
| 2015–16 | ₹11.8 lakh cr |
| 2016–17 | ₹13.0 lakh cr |
| 2017–18 | ₹14.7 lakh cr |
| 2018–19 | ₹16.3 lakh cr |
| 2019–20 | ₹17.4 lakh cr |
| 2020–21 | ₹17.9 lakh cr |
| 2021–22 | ₹20.7 lakh cr |
| 2022–23 | ₹23.7 lakh cr |
| 2023–24 | ₹26.9 lakh cr |
| 2024–25 | ₹31.2 lakh cr |
India (national, not Tamil Nadu): see GDP.
Education
Women's literacy
NFHS / The DHS Program (IIPS)
84%
2020
| Year | Value |
|---|---|
| NFHS-3 (2005–06) | 69.4% |
| NFHS-4 (2015–16) | 79.4% |
| NFHS-5 (2019–21) | 84% |
Primary school attendance
NFHS / The DHS Program (IIPS)
74.7%
2020
| Year | Value |
|---|---|
| NFHS-3 (2005–06) | 68.1% |
| NFHS-4 (2015–16) | 86.8% |
| NFHS-5 (2019–21) | 74.7% |
India (national, not Tamil Nadu): see Primary enrollment.
Sanitation
Improved sanitation
NFHS / The DHS Program (IIPS)
75.8%
2020
| Year | Value |
|---|---|
| NFHS-1 (1992–93) | 25.5% |
| NFHS-2 (1998–99) | 32.8% |
| NFHS-3 (2005–06) | 33.5% |
| NFHS-4 (2015–16) | 58.6% |
| NFHS-5 (2019–21) | 75.8% |
Open defecation
NFHS / The DHS Program (IIPS)
22.5%
2020
| Year | Value |
|---|---|
| NFHS-1 (1992–93) | 70.6% |
| NFHS-2 (1998–99) | 65.9% |
| NFHS-3 (2005–06) | 57.1% |
| NFHS-4 (2015–16) | 38.3% |
| NFHS-5 (2019–21) | 22.5% |
India (national, not Tamil Nadu): see Basic sanitation.
Tap Water
Rural tap water (JJM)
Ministry of Jal Shakti / data.gov.in
89.9%
2026
| Year | Value |
|---|---|
| 15 Aug 2019 | 17.4% |
| 31 Jan 2024 | 77.8% |
| 10 Feb 2025 | 88.4% |
| 18 Jul 2026 | 89.9% |
Piped water into dwelling
NFHS / The DHS Program (IIPS)
13.6%
2020
| Year | Value |
|---|---|
| NFHS-1 (1992–93) | 17.3% |
| NFHS-3 (2005–06) | 9.7% |
| NFHS-4 (2015–16) | 17% |
| NFHS-5 (2019–21) | 13.6% |
Improved water
NFHS / The DHS Program (IIPS)
98.5%
2024
| Year | Value |
|---|---|
| NFHS-1 (1992–93) | 77.7% |
| NFHS-2 (1998–99) | 85.6% |
| NFHS-3 (2005–06) | 94.6% |
| NFHS-4 (2015–16) | 97.7% |
| NFHS-5 (2019–21) | 98.6% |
| NFHS-6 (2023–24) | 98.5% |
India (national, not Tamil Nadu): see Basic drinking water.
Roads
National highway length
Ministry of Road Transport and Highways / data.gov.in
7,000 km
2022
| Year | Value |
|---|---|
| 2004 | 4,183 km |
| 2005 | 4,183 km |
| 2006 | 4,462 km |
| 2007 | 4,462 km |
| 2008 | 4,462 km |
| 2009 | 4,832 km |
| 2010 | 4,832 km |
| 2011 | 4,832 km |
| 2012 | 4,943 km |
| 20132013 | 4,943 km |
| 20142014 | 4,975 km |
| 2015 | 5,006 km |
| 2019 | 6,742 km |
| 31 Mar 2021 | 6,858 km |
| 31 Dec 2022 | 7,000 km |
PMGSY rural roads
Ministry of Rural Development / data.gov.in
26,349 km
2026
| Year | Value |
|---|---|
| 31 Mar 2017 | 17,933 km |
| 16 Jul 2026 | 26,349 km |
Electricity
Household electricity
NFHS / The DHS Program (IIPS)
99.3%
2024
| Year | Value |
|---|---|
| NFHS-1 (1992–93) | 63.8% |
| NFHS-2 (1998–99) | 78.8% |
| NFHS-3 (2005–06) | 88.6% |
| NFHS-4 (2015–16) | 98.8% |
| NFHS-5 (2019–21) | 99% |
| NFHS-6 (2023–24) | 99.3% |
India (national, not Tamil Nadu): see Electricity access.
Healthcare
Infant mortality
NFHS / The DHS Program (IIPS)
21 / 1,000
2020
| Year | Value |
|---|---|
| NFHS-1 (1992–93) | 71 / 1,000 |
| NFHS-2 (1998–99) | 51 / 1,000 |
| NFHS-3 (2005–06) | 38 / 1,000 |
| NFHS-4 (2015–16) | 20 / 1,000 |
| NFHS-5 (2019–21) | 21 / 1,000 |
India (national, not Tamil Nadu): see Infant mortality.
Housing
Finished floors
NFHS / The DHS Program (IIPS)
92.4%
2020
| Year | Value |
|---|---|
| NFHS-3 (2005–06) | 79.1% |
| NFHS-4 (2015–16) | 84.6% |
| NFHS-5 (2019–21) | 92.4% |
Banking
Women with a bank account
NFHS / The DHS Program (IIPS)
90%
2024
| Year | Value |
|---|---|
| NFHS-5 (2019–21) | 92.2% |
| NFHS-6 (2023–24) | 90% |