Population
The term
‘population’ refers to the number of people living in a defined area. The
statistical study of the characteristics of human population is called
demography.
Coimbatore,
Chennai, Tiruvallur, Kancheepuram, Villupuram, Dharmapuri, Salem, Madurai and
Tirunelveli are the most populous districts in the state. Agriculture and
industrial development are the main causes of high concentration of population
of these districts.
Tiruvannamalai,
Cuddalore, Tiruchirapalli and Thanjavur districts have a population 30– 35
lakh. Vellore, Dindugal, Virudhunagar and Thoothukudi districts each have a
population of 15–20 lakh. Other than agriculture, small-scale industries and
fishing along the coastal areas are the major occupations of people in these
districts.
The
coastal districts Nagapattinam, Tiruvarur, Pudukottai, Ramanathapuram and
Sivagangai have a less than 15 lakh. The Nilgiris district has a population of
less than 10 lakh population.
The state
ranks 12th among the Indian states in population density. The national average
density of population as per the 2011 Census is 382. Chennai is the densest
district with 26,903 persons per sq.km followed by Kanyakumari, Tiruvallur,
Kancheepuram,
Madurai,
Coimbatore, Cuddalore, Thanjavur, Nagapattinam, Salem, Vellore and
Tiruchirappalli. These are the regions with high density of population. The
least density of population is recorded in the Nilgiris and the other districts
have moderate density of population.
Hinduism,
Christianity and Islam are the major religions in the state. The Hindus
constitute the largest of the population, followed by Christians and Muslims.
Jainism, Sikhism and Buddhism and people of other religions also presence in
the state.
The sex
ratio represents the number of females per 1000 males.
The
highest sex ratio is found in the Nilgiris district followed by Thanjavur
district. The lowest sex ratio is reported in Dharmapuri district followed by
Salem district.
The district
of Kanyakumari has reported the highest literacy rate while Dharmapuri district
has the lowest rate. A high level of literacy rate is also seen in Chennai,
Thoothukudi, the Nilgiris and Kancheepuram districts.
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