Humane Society International - India (HSI- India) together with Humane Animal Society (HAS) and a team of volunteers conducted two dog population surveys in 100 wards of Coimbatore, India (The 2011 census provides a human population of 10507211; An estimate from 2017 estimates a human population of 18900002). The first was a street dog survey and the other was a household survey of the private (pet) dog population and their owners.
Kartal, Tamara and Chaudhari, Amit, "The Private and Free Roaming Street Dog Population in Coimbatore, Tamil Nadu, India" (2018). Stray and Feral Animal Populations. 6.