Neighboring countries and territories:
- Full name: Full names (translated to english) of the United Nations member states, as of 2014. For a list of full names in the respective original languages of each country, check this link.
- Independence day date: Date.
- Land border length: The length of each country's land border. Islands are listed as having a 0.0 km.
- National anthems: National anthem.
- Overview: A geopolitical overview of every sovereign country in the world, briefly examining their recent history and place on the global stage. The texts are taken from the BBC News website.
SOURCES: http://en.wikipedia.org/wiki/List_of_sovereign_states; Wikipedia: List of national independence days (List); Wikipedia: List of countries and territories by land borders (Land borders) (Note: land border lengths will vary depending on the scale by which they are measured, and therefore these figures without a source accompanied by an explanation of how they were measured and at what scale makes comparisons impossible; for more information see coastline paradox .); Wikipedia: List of national anthems (Anthems of United Nations member states) ("List of Member States" . United Nations . Retrieved 2011-07-21 .); British Broadcasting Corporation 2014
"Yemen Background Stats", NationMaster. Retrieved from http://www.nationmaster.com/country-info/profiles/Yemen/Background
"Yemen Background Stats, NationMaster." 1967-2014. <http://www.nationmaster.com/country-info/profiles/Yemen/Background>.
'Yemen Background Stats, NationMaster', <http://www.nationmaster.com/country-info/profiles/Yemen/Background> [assessed 1967-2014]
"Yemen Background Stats", NationMaster [Internet]. 1967-2014. Avaliable from: <http://www.nationmaster.com/country-info/profiles/Yemen/Background>.
"Yemen Background Stats", NationMaster. Avaliable at: nationmaster.com. Assessed 1967-2014.
"Yemen Background Stats, NationMaster," http://www.nationmaster.com/country-info/profiles/Yemen/Background (assessed 1967-2014)
"Yemen Background Stats", NationMaster, http://www.nationmaster.com/country-info/profiles/Yemen/Background (last visited 1967-2014)
"Yemen Background Stats", NationMaster, http://www.nationmaster.com/country-info/profiles/Yemen/Background (as of 1967-2014)