The global population is estimated at about 6000 during wet years.
The island's population has been estimated at anywhere between one and four million during this period.
The district population was estimated at about 220,300 during the 2002 national census.
Another estimates a total of 186,000 prisoners during this period.
Police on the scene estimated numbers during the actual march to be closer to half a million.
But mortality of cubs is estimated at 41-50% during the first year.
Olean's peak population was estimated at 24,000 during the 1950s.
The value of Heimskringla as a historical source has been estimated in different ways during recent times.
The population of Kiboga was estimated at 11,956 during the 2002 national census.
Degree Days are also used to estimate air conditioning usage during the warm season.