sentences:  According to the 2001 census, Marathi is spoken as a mother tongue by about 0.1% of the total population of Tamil Nadu.Exact districtwise statistics are not available, but according to estimates, Marathis are mostly concentrated in the city of Chennai and the Thanjavur, Nagapattinam, Dharmapuri, Tirupatttur, Krishnagiri, Vellore, Ranipet, Salem, Thiruvannamalai, Tiruvarur, Kanchipuram and Tiruchirappalli districts of Tamil Nadu.The Marathi population in Tamil Nadu has dwindled recently due to migrations to Maharashtra, Bangalore, North India and foreign countries.