Before the colonization of North America the population of the Grizzly Bear there were approximately 100,000 of them but then their population later drastically decreased to approximately 25,000 in Canada of 50,000 in North America.
Population: Global
Grizzly Bear not only inhabits North America, they also inhabit most of Asia and some parts of Europe, the population of the total number Grizzly Bear in both regions are approximately 10,000.