Virbac worldwide https://corporate.virbac.com/home/group/virbac-worldwide.html
Number of dogs in the European Union in 2016, by country (in 1000s)
https://www.statista.com/statistics/414956/dog-population-european-union-eu-by-country/
The World Health Organization, who tries to monitor dog population on this continent because of the impact of rabies on humans, estimates that there are around 78 million owned dogs in Africa, but that there may also be in excess of 70 million unowned, stray dogs as well.19 Sep 2012
https://www.psychologytoday.com/blog/canine.../how-many-dogs-are-there-in-the-worl...