Context: The global dog population is estimated at 525 million:225 based on a transparent methodology, as opposed to other estimates where the methodology has not been made available – all dog population estimates are based on regional human population densities and land uses.

Question: What is the larger count for numbers of dogs considered to populate the planet?
Answer: 525 million

Question: How many dogs are estimated to be in the world?
Answer: 525 million

Question: What are dog population estimates based on other than land uses?
Answer: human population densities