Context

This dataset consist of population of three years in Tamil Nadu.

Content

This file consist of information about the places, population , district and position of place.

Acknowledgements

This is done during the internship at Tact Labs. Thanks to Aishwarya who aided me in collecting the dataset.

Worker Population Ratio: Usual Status: Education: Diploma/Certificate Course: Tamil Nadu: Rural: Female data was reported at 40.800 % in 2024. This records a decrease from the previous number of 45.100 % for 2023. Worker Population Ratio: Usual Status: Education: Diploma/Certificate Course: Tamil Nadu: Rural: Female data is updated yearly, averaging 40.800 % from Jun 2018 (Median) to 2024, with 7 observations. The data reached an all-time high of 49.400 % in 2022 and a record low of 14.700 % in 2021. Worker Population Ratio: Usual Status: Education: Diploma/Certificate Course: Tamil Nadu: Rural: Female data remains active status in CEIC and is reported by Ministry of Statistics and Programme Implementation. The data is categorized under India Premium Database’s Labour Market – Table IN.GBA033: Periodic Labour Force Survey: Annual: Worker Population Ratio: Usual Status: by State: Education Level: Diploma/Certificate Course.

The southern state of Tamil Nadu in India recorded a population density of 555 people for every square kilometer according to the country's latest census in 2011. This was a significant increase compared to a decade earlier where the figure stood at 480.

Census: Population: Tamil Nadu: Kumbakonam: Female data was reported at 84,254.000 Person in 03-01-2011. This records an increase from the previous number of 80,579.000 Person for 03-01-2001. Census: Population: Tamil Nadu: Kumbakonam: Female data is updated decadal, averaging 47,452.000 Person from Mar 1901 (Median) to 03-01-2011, with 12 observations. The data reached an all-time high of 84,254.000 Person in 03-01-2011 and a record low of 31,023.000 Person in 03-01-1901. Census: Population: Tamil Nadu: Kumbakonam: Female data remains active status in CEIC and is reported by Office of the Registrar General & Census Commissioner, India. The data is categorized under India Premium Database’s Demographic – Table IN.GAC032: Census: Population: By Towns and Urban Agglomerations: Tamil Nadu.

In 2021, Kerala reflected the highest share of its population belonging to the elderly age group with 16.5 percent as opposed to only 10.5 percent in 2001. This was an increase in six percent in two decades.

This dataset is based on the following manuscript/publication:
Page, N., S. Kasinathan, K. Bhat, G. Moorthi, T. Sundarraj, Divya Mudappa, and T. R. S. Raman (2022). A new population record of Critically Endangered Dipterocarpus bourdillonii Brandis from the Anamalai Tiger Reserve, Tamil Nadu. Journal of Threatened Taxa 14(8): 21651–21659. https://doi.org/10.11609/jott.7860.14.8.21651-21659

Please refer to the README.txt file included with the dataset for complete details and usage notes.

Geographic Coverage:
Location/Study Area: Valparai Plateau, Tamil Nadu, India; Anamalai Tiger Reserve, Tamil Nadu, India
GPS coordinates: Valparai Plateau (0°15'- 10°22'N, 76°52'-76°59'E); Anamalai Tiger Reserve (10°12'-10°35'N, 76°49'-77°24'E)

Temporal Coverage:
Begins: 2020-10-01 (Year, Month, Day)
Ends: 2022-05-31 (Year, Month, Day)

Funding:
Fondation Franklinia
AMM Murugappa Chettiar Research Centre
Rohini Nilekani Philanthropies

Dataset:

The dataset includes 7 files: 1 text file (README.txt), 5 data files in comma-delimited format (CSV), and 1 KML file of seven survey routes. Details of content of each CSV data file are provided below. The following files are included:
README.txt: Usage notes and metadata related to the dataset
1_Surveys_ver2.csv: Details of trails covered where Dipterocarpus bourdillonii was recorded during the survey
2_Focal_tree_data_ver2.csv: Details of focal trees of Dipterocarpus bourdillonii
3_Tree_centred_PCQ_ver2.csv: Data from point-centred quarter (PCQ) plots sampled with focal trees at the centre
4_Plant_checklist_ver2.csv: Checklist of plants (mainly trees) recorded on survey trails
5_Seed_fruit_ver2.csv: Measurements of fruits and seeds of Dipterocarpus bourdillonii
06_Dipterocarpus_bourdillonii_survey_trails.kml: This file includes the GPS tracks of the seven survey trails in KML format.

Details and data available in the columns in each of the above CSV files and the KML file are explained below.

1_Surveys_ver2.csv
Column: Description
Date: Date on which the survey was done
Place: Name of the place where the focal tree is located. e.g., Candura, Manamboli, Iyerpadi etc
Route_description:Description of place or route covered
Trail: Name of the tree survey trail
Trail_distance: Distance covered on the trail in kilometres (km)
Track_filename_kml: Name of the file with GPS track of survey trail/route, where available, in KML format
Observers: Names of observers who took measurements and filled datasheet during survey
Remarks: Notes and additional information

2_Focal_tree_data_ver2.csv
Column: Description
FT_ID: Unique numeric linking ID of each focal tree (NA for 3 individuals found in plots around other focal trees)
Species: Focal tree species
Date: Date on which the survey was done
Place: Name of forest range (Manamboli)
Waypoint: Unique location waypoint number for the focal tree and GPS instrument used
Time: Time when the focal tree's data was collected
Location: Landmark where the focal tree is located (NA, if not available)
Latitude: Latitude of the focal tree (decimal degrees N)
Longitude: Longitude of the focal tree (decimal degrees E)
Elevation: Elevation of the focal tree from sea-level in metres
Slope: Slope at focal tree location assessed with Clinometer, categorised as Flat, Gentle, Moderate, or Steep (NA, if not available)
ID_Notes: Any obvious signs with which to identify focal tree (NA, if not available)
Phenophase: Phenophase of the focal tree viz. leaf flush, buds/flowers, fruits (NA, if not available)
GBH: Girth of the focal tree in cm, at 1.3m from ground; measured from the higher side if tree is on slope
Tree_ht: Focal tree's height in m (NA, if not available)
Canopy_ht: Height of canopy in m where the focal tree is located (NA, if not available)
Substrate: Substrate where focal tree is standing viz. Earth, Rock, Streamside, Other (NA, if not available)
Invasives: List of invasive plant species present within 5 m radius around the focal tree (NA, if not available)
Stature: Stature of the focal tree relative to its surroundings (NOT of the species in general) categorised as Understorey, Mid, Canopy, Emergent (NA, if not available)
Relatively: Relative height of focal tree in relation to other trees within 10 m radius categorised as Shorter than most, Taller than most, Same height as most (NA, if not available)
Deadwood: Estimated percentage of deadwood present on the tree in 4 classes of <25%, 26-50%, 51-75%, 76-100% (NA, if not available)
Damage: Observed damages such as Main trunk broken, Branches broken, Hollow at base, Gaping cavity, Infected, Dried leaves (as on a dead branch) (NA, if not available)
Shape: Canopy shape of the focal tree (not species in general) categorised as Spreading, Oval, Fan, Column, Cone (NA, if not available)
Closure: Canopy closure due to foliage visually estimated standing next to trunk of focal tree and looking up, categorised as 0% (only sky and leafless branches visible), 1-25%, 26-50%, 51-75%, 76-100% (NA, if not available)
Seedlings: Count of conspecific seedlings (stems of girth at breast height <10 cm) around the focal tree in a 5 m radius (NA, if not available)
Saplings: Count of conspecific saplings (stems of girth at breast height 10-30 cm) around the focal tree in a 5 m radius (NA, if not available)
Trees: Count of conspecific trees (stems of girth at breast height >30 cm) around the focal tree in a 5 m radius (NA, if not available)
Remarks: Notes and additional information (NA, if not available)

3_Tree_centred_PCQ_ver2.csv
Column: Description
FT_ID: Unique numeric linking ID of each focal tree in point-centred quarter (PCQ) plot
Focal_tree: Scientific name of focal tree species at the centre of the PCQ plot
Species: Scientific name of tree species recorded in PCQ plot around focal tree
GBH (cm): Girth of PCQ tree in cm, at 1.3 m from ground; measured from the higher side if tree is on a slope. Main stem only.
Distance: Distance from focal tree, in m; measured from the approximate centre of bole to centre of bole and not bark to bark
Multistem: NA if single-stemmed; if multi-stemmed, then GBH of additional stems given as notes.

4_Plant_checklist_ver2.csv
Column: Description
Date: Date on which the survey was done
Place: Name of the place where the focal tree is located. e.g., Candura, Manamboli, Iyerpadi etc
Route: Route of the tree survey trail
Checklist_species: Scientific name of tree species observed as present along trail and within 10 m on either side
Remarks: Notes and additional information

5_Seed_Fruit_ver2.csv
Column: Description
Sample: Serial number of sample of single winged fruit measured
Species: Scientific name of tree species
No_Seeds: Unit number of seed measured
Fresh_fruit_weight_g: Weight of each fruit measured on an Ohaus scale in grams
Nut_length_cm: Length of nut along the longitudinal axis in cm
Nut_width_1_cm: Width of nut in cm measured along axis perpendicular to nut length
Nut_width_2_cm: Width of nut in cm measured along axis perpendicular to nut length and nut width 1
Wing1_length_cm: Length of longer wing (sepal) in cm
Wing1_width_cm: Width of longer wing (sepal) in cm
Wing2_length_cm: Length of shorter wing (sepal) in cm
Wing2_width_cm: Width of shorter wing (sepal) in cm

06_Dipterocarpus_bourdillonii_survey_trails.kml
This file includes the GPS tracks of the following seven trails in KML format:
2021-01-30_Anali-Ayyankulam-Manamboli (Trail-2)
2021-03-26_Ayyankulam (Trail-4)
2021-04-10_Ayyankulam Parai (Trail-5)
2022-03-07_Ayyankulam Parai to Ayyankulam_leftbank (Trail-8)
2022-03-07_Ayyankulam Parai to Ayyankulam_rightbank (Trail-9)
2022-03-09_Manamboli PH_leftbank (Trail-10)
2022-03-09_Manamboli PH_rightbank (Trail-11)

Vital Statistics: Natural Growth Rate: per 1000 Population: Tamil Nadu: Urban data was reported at 8.500 NA in 2020. This records a decrease from the previous number of 9.100 NA for 2019. Vital Statistics: Natural Growth Rate: per 1000 Population: Tamil Nadu: Urban data is updated yearly, averaging 9.300 NA from Dec 1997 (Median) to 2020, with 23 observations. The data reached an all-time high of 11.800 NA in 2001 and a record low of 8.500 NA in 2020. Vital Statistics: Natural Growth Rate: per 1000 Population: Tamil Nadu: Urban data remains active status in CEIC and is reported by Office of the Registrar General & Census Commissioner, India. The data is categorized under India Premium Database’s Demographic – Table IN.GAH004: Vital Statistics: Natural Growth Rate: by States.

The estimated per capita income across the southern state of Tamil Nadu in India stood at around *** thousand Indian rupees in the financial year 2024. There was a consistent increase in the income per capita in the state since the financial year 2012. Sikkim recorded the highest per capita income in the country.

Himachal Pradesh had over ** percent of intra-state migrant population, the highest among all states in India between 2020 and 2021. Telangana and Tamil Nadu followed it with ** and over ** percent respectively.

As of February 2025, India had a total of 413.85 million Instagram users, the largest Instagram audience in the world. The United States had 171.7 million users, and Brazil had 140.7 million. Indonesia, Turkey, and Japan ranked in fourth, fifth and sixth position, respectively. Kazakhstan is the leading country for Instagram audience reach, with 86.2 percent of the population using the social media service. Turkey came in second, with a penetration rate of 85.5 percent and Uruguay ranked third, with 87.1 percent, followed closely by the UAE, Brazil, and Bahrain. It took Instagram 11.2 years to reach the milestone of 2 billion monthly active users worldwide. WhatsApp, also owned by Meta, took 11 years, whilst Facebook took 13.3 years and YouTube took just over 14 years. Instagram’s demographics in the United States As of March 2025, Instagram was the fourth most visited social media service in the United States, after Facebook, Pinterest and X. Out of TikTok, Instagram and Snapchat, TikTok was the most used of all three platforms by Generation Z. Overall, 57 percent of Gen Z social media users used Instagram in 2021, down from 61 percent in 2020 and 64 percent in 2019. Instagram finds most popularity with those in the 25 to 34 year age group, and as of January 2025, roughly 28.3 of all users in the United States belonged to this age group. The social media app was also more likely to be used by women. Most followed accounts on Instagram Instagram’s official account had the most followers as of April 2024 with over 672 million followers. Manchester United forward Cristiano Ronaldo (@cristiano) had over 628 million followers on the platform, while the Argentinian footballer Lionel Messi (@leomessi) had over 502 million followers. The Instagram accounts of the American singer and actress Selena Gomez (@selenagomez) and the media personality and makeup mogul Kylie Jenner (@kyliejenner) had over 400 million followers each.

Number of Students: Tamil Nadu: Colleges: Private Unaided data was reported at 1,310,938.000 Person in 2021. This records an increase from the previous number of 1,279,814.000 Person for 2020. Number of Students: Tamil Nadu: Colleges: Private Unaided data is updated yearly, averaging 1,316,277.000 Person from Sep 2010 (Median) to 2021, with 12 observations. The data reached an all-time high of 1,398,789.000 Person in 2017 and a record low of 465,980.000 Person in 2010. Number of Students: Tamil Nadu: Colleges: Private Unaided data remains active status in CEIC and is reported by Ministry of Education. The data is categorized under India Premium Database’s Education Sector – Table IN.EDD005: Number of Students: Colleges.

Worker Population Ratio: Usual Status: Education: Diploma/Certificate Course: Tamil Nadu: Female data was reported at 42.600 % in 2024. This records an increase from the previous number of 39.500 % for 2023. Worker Population Ratio: Usual Status: Education: Diploma/Certificate Course: Tamil Nadu: Female data is updated yearly, averaging 39.000 % from Jun 2018 (Median) to 2024, with 7 observations. The data reached an all-time high of 42.600 % in 2024 and a record low of 25.600 % in 2021. Worker Population Ratio: Usual Status: Education: Diploma/Certificate Course: Tamil Nadu: Female data remains active status in CEIC and is reported by Ministry of Statistics and Programme Implementation. The data is categorized under India Premium Database’s Labour Market – Table IN.GBA033: Periodic Labour Force Survey: Annual: Worker Population Ratio: Usual Status: by State: Education Level: Diploma/Certificate Course.

Worker Population Ratio: Usual Status: Education: Tamil Nadu: Urban: Male data was reported at 71.800 % in 2024. This records an increase from the previous number of 70.100 % for 2023. Worker Population Ratio: Usual Status: Education: Tamil Nadu: Urban: Male data is updated yearly, averaging 71.900 % from Jun 2018 (Median) to 2024, with 7 observations. The data reached an all-time high of 73.600 % in 2021 and a record low of 68.100 % in 2019. Worker Population Ratio: Usual Status: Education: Tamil Nadu: Urban: Male data remains active status in CEIC and is reported by Ministry of Statistics and Programme Implementation. The data is categorized under India Premium Database’s Labour Market – Table IN.GBA026: Periodic Labour Force Survey: Annual: Worker Population Ratio: Usual Status: by State: Education Level.

Vital Statistics: Natural Growth Rate: per 1000 Population: Tamil Nadu data was reported at 7.700 NA in 2020. This records a decrease from the previous number of 8.100 NA for 2019. Vital Statistics: Natural Growth Rate: per 1000 Population: Tamil Nadu data is updated yearly, averaging 8.600 NA from Dec 1997 (Median) to 2020, with 23 observations. The data reached an all-time high of 11.400 NA in 2001 and a record low of 7.700 NA in 2020. Vital Statistics: Natural Growth Rate: per 1000 Population: Tamil Nadu data remains active status in CEIC and is reported by Office of the Registrar General & Census Commissioner, India. The data is categorized under India Premium Database’s Demographic – Table IN.GAH004: Vital Statistics: Natural Growth Rate: by States.

Distribution of socio-demographic variables vs. acceptance of COVID-19 vaccine.

Prevalence and relative change in trends of Prehypertension in India according to different classifications across selected socio-demographic characteristics between 2015–2021.

Worker Population Ratio: Usual Status: Education: Tamil Nadu: Male data was reported at 73.200 % in 2024. This records an increase from the previous number of 71.400 % for 2023. Worker Population Ratio: Usual Status: Education: Tamil Nadu: Male data is updated yearly, averaging 73.200 % from Jun 2018 (Median) to 2024, with 7 observations. The data reached an all-time high of 74.300 % in 2021 and a record low of 69.900 % in 2019. Worker Population Ratio: Usual Status: Education: Tamil Nadu: Male data remains active status in CEIC and is reported by Ministry of Statistics and Programme Implementation. The data is categorized under India Premium Database’s Labour Market – Table IN.GBA026: Periodic Labour Force Survey: Annual: Worker Population Ratio: Usual Status: by State: Education Level.

Worker Population Ratio: Usual Status: Education: Tamil Nadu data was reported at 56.800 % in 2024. This records an increase from the previous number of 54.700 % for 2023. Worker Population Ratio: Usual Status: Education: Tamil Nadu data is updated yearly, averaging 55.300 % from Jun 2018 (Median) to 2024, with 7 observations. The data reached an all-time high of 56.900 % in 2021 and a record low of 51.000 % in 2018. Worker Population Ratio: Usual Status: Education: Tamil Nadu data remains active status in CEIC and is reported by Ministry of Statistics and Programme Implementation. The data is categorized under India Premium Database’s Labour Market – Table IN.GBA026: Periodic Labour Force Survey: Annual: Worker Population Ratio: Usual Status: by State: Education Level.

Worker Population Ratio: Usual Status: Education: Tamil Nadu: Urban data was reported at 49.200 % in 2024. This records an increase from the previous number of 48.300 % for 2023. Worker Population Ratio: Usual Status: Education: Tamil Nadu: Urban data is updated yearly, averaging 49.200 % from Jun 2018 (Median) to 2024, with 7 observations. The data reached an all-time high of 50.900 % in 2021 and a record low of 46.800 % in 2019. Worker Population Ratio: Usual Status: Education: Tamil Nadu: Urban data remains active status in CEIC and is reported by Ministry of Statistics and Programme Implementation. The data is categorized under India Premium Database’s Labour Market – Table IN.GBA026: Periodic Labour Force Survey: Annual: Worker Population Ratio: Usual Status: by State: Education Level.

Tamil Nadu had the largest poultry population in India, amounting to 120.8 million in 2019. That same year, Andhra Pradesh ranked second, followed by Telangana. Poultry population in the country stood at 851.8 million, recording a growth of 16.8 percent between 2012 and 2019.