- Daylight Savings Time end date: Rules that determine the date on which daylight savings time ends. Clocks are moved backwards on this date.
- Daylight Savings Time start date: Rules that determine the date on which daylight savings time begins. Clocks are moved forward on this date.
- 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.
- National identity card: Description.
- Number of maritime boundary neighbours: Number of states and territories with which each country shares a maritime border. Two countries separated from each other by a body of water have a maritime border with each other.
SOURCES: Wikipedia: Daylight saving time by country (Daylight Saving Time rules); 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 .); Wikipedia: List of national identity card policies by country (Countries with compulsory identity cards) (EU Directive 2004/38/EC); Wikipedia: List of countries and territories by land and maritime borders