Burkina Faso is 15% larger than Ghana.
Area: 274,200 km2 World Factbook
Population: 18,365,123 (July 2014) World Factbook
Burkina Faso, also known by its short-form name Burkina, is a landlocked country in West Africa around 274,200 square kilometres in size. It is surrounded by six countries: Mali to the north; Niger to the east; Benin to the southeast; Togo and Ghana to the south; and Ivory Coast to the southwest. Wikipedia
Area: 238,533 km2 World Factbook
Population: 25,758,108 (July 2014) World Factbook
Ghana, officially called the Republic of Ghana, is a sovereign multinational state and unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic Ocean, in the subregion of West Africa. Wikipedia