Ontario (Canada) is 4.5 times larger than Uganda.
Area: 241,038 km2 World Factbook
Population: 35,918,915 (July 2014) World Factbook
Uganda, officially the Republic of Uganda, is a landlocked country in East Africa. It is bordered on the east by Kenya, on the north by South Sudan, on the west by the Democratic Republic of the Congo, on the southwest by Rwanda, and on the south by Tanzania. Wikipedia
Ontario is one of the ten provinces of Canada, located in east-central Canada. It is Canada's most populous province by a large margin, accounting for nearly 40% of all Canadians, and is the second largest province in total area. Wikipedia