With that in mind, it’s worth noting the high number of companion animals that have no homes. For example, in 2012 there were an estimated 73 million dogs in the U.S. But considering that only 42.5 million homes care for dogs, a fair number of them are strays.
The amounts are even harder to quantify in Africa and Asia, however. A lack of registered dog owners – and the sheer number of dogs – make calculating exact figures difficult. Nonetheless, it’s fair to say there are millions of street dogs in each of these continents.
In conclusion, then, the total number of stray dogs worldwide is impossible to estimate, but it’s astronomical. Despite this, there are still people out there trying to make a difference. In addition to rescue groups and shelters, sometimes good Samaritans take action when they can as well.