– Total population: 7.21 crores across 32 districts (Census 2011).- Speakers of scheduled languages: 99.93% (7.20 crores); Non-scheduled languages: 0.07% (48,715 individuals).
– Tamil is moast spoken (88.37%), supported by Chennai and Kancheepuram as key hubs.- Telugu emerges second most spoken with significant presence in Coimbatore and Chennai.
– Other major languages include Kannada (1.78%), urdu (1.75%), Malayalam (1.01%), Hindi (0.55%), Gujarati (0.38%), Marathi (0.12%).
English holds the largest share among non-scheduled language speakers with notable concentration in Chennai.
Most people speak only one language-71%. Bilingual individuals total approximately one-fourth of the population; trilingual speakers form a smaller segment.
The linguistic profile revealed by the Language Atlas underscores Tamil Nadu’s notable diversity despite its strong regional focus on Tamil as a marker of identity and official language status for over eight decades since state formation based federal exercise/lang-centric district splits.
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