Senegal vs. Montana (USA): Comparea Area Comparison

Population: 13,635,927 (July 2014) World Factbook

Senegal, officially the Republic of Senegal, is a country in West Africa. It is the westernmost country in the mainland of the Old World or Eurafrasia and owes its name to the Sénégal River that borders it to the east and north. Wikipedia

Area: 376,962 km² US Census

Population: 1,015,165 (July 2013) US Census

Montana is a state in the Western United States. The state's name is derived from the Spanish word montaña. Wikipedia