Angola is 2.1 times larger than Madagascar.
Area: 1,246,700 km2 World Factbook
Population: 19,088,106 (July 2014) World Factbook
Angola, officially the Republic of Angola, is a country in Southern Africa bordered by Namibia on the south, the Democratic Republic of the Congo on the north, and Zambia on the east; its west coast is on the Atlantic Ocean and Luanda is its capital city. Wikipedia
Area: 587,041 km2 World Factbook
Population: 23,201,926 (July 2014) World Factbook
Madagascar, officially the Republic of Madagascar and previously known as the Malagasy Republic, is an island country in the Indian Ocean, off the coast of Southeast Africa. The nation comprises the island of Madagascar, as well as numerous smaller peripheral islands. Wikipedia