Papua New Guinea is 40% larger than Malaysia.
Area: 329,847 km2 World Factbook
Population: 30,073,353 (July 2014) World Factbook
Malaysia is a federal constitutional monarchy located in Southeast Asia. It consists of thirteen states and three federal territories and has a total landmass of 329,847 square kilometres separated by the South China Sea into two similarly sized regions, Peninsular Malaysia and East Malaysia. 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