Botswana is 26% larger than Papua New Guinea.
Area: 581,730 km2 World Factbook
Population: 2,155,784 (July 2014) World Factbook
Botswana, officially the Republic of Botswana, is a landlocked country located in Southern Africa. The citizens refer to themselves as Batswana. Formerly the British protectorate of Bechuanaland, Botswana adopted its new name after becoming independent within the Commonwealth on 30 September 1966. Wikipedia
Area: 462,840 km2 World Factbook
Population: 6,552,730 (July 2014) World Factbook
Papua New Guinea, officially the Independent State of Papua New Guinea, is an Oceanian country that occupies the eastern half of the island of New Guinea and its offshore islands in Melanesia, a region of the southwestern Pacific Ocean north of Australia. Wikipedia