Amazonas (Brazil) is 38% larger than Colombia.
Area: 1,138,910 km2 World Factbook
Population: 46,245,297 (July 2014) World Factbook
Amazonas is a state of Brazil, located in the northwestern corner of the country. It is the largest Brazilian State by area and the 9th largest country subdivision in the world. Neighbouring states are Roraima, Pará, Mato Grosso, Rondônia, and Acre. It also borders Peru, Colombia and Venezuela. Wikipedia