* "Bulldog" is not a single breed: There are several breeds of dog referred to as "bulldogs," including the English Bulldog, French Bulldog, American Bulldog, and Olde English Bulldogge. Each has its own distinct characteristics and population.
* Population varies by location: The number of bulldogs of any specific breed will vary significantly depending on the country, region, or even city.
* Population data is not always readily available: Accurate, up-to-date data on dog populations can be difficult to collect.
To find information on bulldog populations, you'd need to be more specific:
* Which breed are you interested in?
* What geographic location are you interested in?
You can try searching for:
* "English Bulldog population [country/region]"
* "French Bulldog population trends"
* "[Breed] dog registration data"
By being specific in your search, you are more likely to find the information you're looking for.