Niger is 2.2% larger than Mali.
Area: 1,240,192 km2 World Factbook
Population: 16,455,903 (July 2014) World Factbook
Mali, officially the Republic of Mali, is a landlocked country in West Africa. Mali is bordered by Algeria to the north, Niger to the east, Burkina Faso and Ivory Coast to the south, Guinea to the south-west, and Senegal and Mauritania to the west. Wikipedia
Area: 1,267,000 km2 World Factbook
Population: 17,466,172 (July 2014) World Factbook
Niger, officially the Republic of Niger, is a landlocked country in Western Africa, named after the Niger River. It borders Nigeria and Benin to the south, Burkina Faso and Mali to the west, Algeria and Libya to the north and Chad to the east. Wikipedia