Papua New Guinea is 4.1 times larger than Benin.
Area: 112,622 km2 World Factbook
Population: 10,160,556 (July 2014) World Factbook
Benin, officially the Republic of Benin, is a country in West Africa. It is bordered by Togo to the west, by Nigeria to the east and by Burkina Faso and Niger to the north. 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