Nigeria is 10 times larger than Portugal.
Area: 923,768 km2 World Factbook
Population: 177,155,754 (July 2014) World Factbook
Nigeria, officially the Federal Republic of Nigeria, is a federal constitutional republic comprising 36 states and its Federal Capital Territory, Abuja. Wikipedia
Area: 92,145 km2 Wikipedia
Population: 10,459,806 (2,013) World Bank
Continental Portugal or Mainland Portugal is the part of the territory of Portugal located in the Iberian Peninsula and so in Continental Europe. Continental Portugal is also commonly referred to - by the Portuguese - simply as the Continent. Wikipedia